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- EMDB-52056: Cryo-EM structure of photosystem II C2S2M2L2 supercomplex from th... -

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Basic information

Entry
Database: EMDB / ID: EMD-52056
TitleCryo-EM structure of photosystem II C2S2M2L2 supercomplex from the green alga Chlorella ohadii
Map data
Sample
  • Complex: Photosystem II supercomplex C2S2M2L2
    • Complex: Photosystem II core complex (C2)
      • Protein or peptide: x 22 types
    • Protein or peptide: x 7 types
  • Ligand: x 21 types
Keywordssupercomplex / photosynthesis / chlorophyll / algae / MEMBRANE PROTEIN
Function / homology
Function and homology information


chloroplast thylakoid / eukaryotic translation initiation factor 2 complex / photosynthesis, light harvesting / photosystem II oxygen evolving complex / oxygen evolving activity / photosystem II stabilization / photosystem II reaction center / photosystem II / eukaryotic 48S preinitiation complex / transcription factor TFIIA complex ...chloroplast thylakoid / eukaryotic translation initiation factor 2 complex / photosynthesis, light harvesting / photosystem II oxygen evolving complex / oxygen evolving activity / photosystem II stabilization / photosystem II reaction center / photosystem II / eukaryotic 48S preinitiation complex / transcription factor TFIIA complex / oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor / photosynthetic electron transport chain / photosystem I / photosystem II / response to herbicide / extrinsic component of membrane / chlorophyll binding / photosynthetic electron transport in photosystem II / phosphate ion binding / photosynthesis, light reaction / chloroplast thylakoid membrane / photosynthesis / translation initiation factor activity / cell redox homeostasis / transcription initiation at RNA polymerase II promoter / ribosome binding / electron transfer activity / protein stabilization / iron ion binding / heme binding / calcium ion binding / RNA binding / metal ion binding
Similarity search - Function
Photosystem II PsbR / Photosystem II PsbY, plant / Photosystem II 10 kDa polypeptide PsbR / PsbP, C-terminal / : / PsbP / Mog1/PsbP, alpha/beta/alpha sandwich / Photosystem II PsbW, class 2 / Photosystem II reaction centre W protein (PsbW) / Oxygen-evolving enhancer protein 3 ...Photosystem II PsbR / Photosystem II PsbY, plant / Photosystem II 10 kDa polypeptide PsbR / PsbP, C-terminal / : / PsbP / Mog1/PsbP, alpha/beta/alpha sandwich / Photosystem II PsbW, class 2 / Photosystem II reaction centre W protein (PsbW) / Oxygen-evolving enhancer protein 3 / Oxygen evolving enhancer protein 3 / PsbQ-like domain superfamily / Translation initiation factor 2, alpha subunit / Translation initiation factor 2, alpha subunit, middle domain superfamily / Translation initiation factor 2, alpha subunit, C-terminal / IF2a, S1-like domain / Eukaryotic translation initiation factor 2 alpha subunit / Photosystem II PsbJ / Photosystem II PsbJ superfamily / PsbJ / Photosystem II reaction centre protein Ycf12 / Photosystem II complex subunit Ycf12 / Transcription factor IIA, alpha/beta subunit / Transcription factor IIA, alpha/beta subunit / Transcription factor IIA, alpha/beta subunit / Transcription factor IIA, beta-barrel / Photosystem II reaction centre M protein (PsbM) / Photosystem II PsbM superfamily / Photosystem II PsbM / Photosystem II PsbZ, reaction centre / Photosystem II PsbZ superfamily / YCF9 / Photosystem II PsbX / Photosystem II reaction centre X protein (PsbX) / Photosystem II PsbT / Photosystem II PsbL / Photosystem II PsbL superfamily / Photosystem II PsbT superfamily / Photosystem II reaction centre T protein / PsbL protein / Photosystem II PsbK / Photosystem II CP43 reaction centre protein / Photosystem II PsbK superfamily / Photosystem II CP43 reaction centre protein superfamily / Photosystem II 4 kDa reaction centre component / Photosystem II PsbI / Photosystem II CP47 reaction centre protein / Photosystem II PsbI superfamily / Photosystem II reaction centre I protein (PSII 4.8 kDa protein) / Photosystem II reaction centre protein H / Photosystem II protein D1 / Photosystem II D2 protein / Photosystem II cytochrome b559, conserved site / Photosystem II cytochrome b559, alpha subunit / Photosystem II cytochrome b559, beta subunit / Photosystem II cytochrome b559, N-terminal / Photosystem II cytochrome b559, alpha subunit, lumenal region / Photosystem II reaction centre protein H superfamily / Photosystem II cytochrome b559, alpha subunit superfamily / Cytochrome b559, alpha (gene psbE) and beta (gene psbF)subunits / Lumenal portion of Cytochrome b559, alpha (gene psbE) subunit / Photosystem II 10 kDa phosphoprotein / Cytochrome b559 subunits heme-binding site signature. / : / Chlorophyll A-B binding protein, plant and chromista / Photosystem antenna protein-like / Photosystem antenna protein-like superfamily / Photosystem II protein / Chlorophyll A-B binding protein / Chlorophyll A-B binding protein / : / Photosynthetic reaction centre, L/M / Photosystem II protein D1/D2 superfamily / Photosynthetic reaction centre protein / Photosynthetic reaction center proteins signature. / domain with conserved PWWP motif / PWWP domain / PWWP domain profile. / PWWP domain / S1 domain profile. / Ribosomal protein S1-like RNA-binding domain / S1 RNA binding domain / S1 domain / Nucleic acid-binding, OB-fold
Similarity search - Domain/homology
Photosystem II CP43 reaction center protein / Photosystem II reaction center protein Psb30 / Chloroplast photosystem II 10 kDa protein / Photosystem II reaction center protein M / Chloroplast oxygen-evolving enhancer protein 3 / Photosystem II reaction center protein I / Chloroplast PsbY / Chlorophyll a-b binding protein, chloroplastic / Chlorophyll a-b binding protein, chloroplastic / Chlorophyll a-b binding protein, chloroplastic ...Photosystem II CP43 reaction center protein / Photosystem II reaction center protein Psb30 / Chloroplast photosystem II 10 kDa protein / Photosystem II reaction center protein M / Chloroplast oxygen-evolving enhancer protein 3 / Photosystem II reaction center protein I / Chloroplast PsbY / Chlorophyll a-b binding protein, chloroplastic / Chlorophyll a-b binding protein, chloroplastic / Chlorophyll a-b binding protein, chloroplastic / PSII 6.1 kDa protein / Chlorophyll a-b binding protein, chloroplastic / Uncharacterized protein / Chlorophyll a-b binding protein, chloroplastic / PWWP domain-containing protein / Photosystem II reaction center protein T / Photosystem II reaction center protein L / Photosystem II reaction center protein K / Cytochrome b559 subunit beta / Photosystem II protein D1 / Photosystem II reaction center protein H / Photosystem II reaction center protein Z / Cytochrome b559 subunit alpha / Photosystem II D2 protein / Photosystem II reaction center protein J / Photosystem II CP47 reaction center protein
Similarity search - Component
Biological speciesChlorella ohadii (plant)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.95 Å
AuthorsKopecny D / Kouril R / Ardhad R / Skalidis I / Kastritis P
Funding support Czech Republic, Germany, European Union, 6 items
OrganizationGrant numberCountry
Ministry of Education, Youth and Sports of the Czech RepublicCZ.02.01.01/00/22_008/0004624 Czech Republic
Czech Science Foundation23-07744S Czech Republic
Other governmentMZE-RO0423
German Research Foundation (DFG)391498659 (RTG 2467); SFB 1664 (TP D1) Germany
German Federal Ministry for Education and Research03Z22HN23; 03Z22HI2; 03COV04 Germany
European Regional Development FundZS/2016/04/78115European Union
CitationJournal: Nat Commun / Year: 2026
Title: Cryo-EM structure of photosystem II supercomplex from a green microalga with extreme phototolerance.
Authors: Rameez Arshad / Ioannis Skalidis / David Kopečný / Sylva Brabencová / Monika Opatíková / Petr Ilík / Pavel Pospíšil / Farzad Hamdi / Sanja Ćavar Zeljković / Martina Kopečná / ...Authors: Rameez Arshad / Ioannis Skalidis / David Kopečný / Sylva Brabencová / Monika Opatíková / Petr Ilík / Pavel Pospíšil / Farzad Hamdi / Sanja Ćavar Zeljković / Martina Kopečná / Pavel Roudnický / Dušan Lazár / Eduard Elias / Roberta Croce / Panagiotis L Kastritis / Roman Kouřil /
Abstract: Photosystem II (PSII) is essential for energy conversion during oxygenic photosynthesis in plants and algae. Chlorella ohadii, one of the fastest multiplying green algae, thrives under the harsh ...Photosystem II (PSII) is essential for energy conversion during oxygenic photosynthesis in plants and algae. Chlorella ohadii, one of the fastest multiplying green algae, thrives under the harsh desert sun but lacks the standard PSII photoprotective mechanisms involving LhcSR/PsbS proteins or protein phosphorylation. Here, we present the cryo-EM structure of the PSII supercomplex from C. ohadii at 2.9 Å resolution, which is used to determine whether the exceptional resistance to desert conditions has a structural basis in PSII. The structure reveals a distinct PsbO isoform and additional subunits, PsbR and PsbY, which enhance core complex stability through extensive interactions. Furthermore, the trimeric light-harvesting complexes (LHCII) are bound to the PSII core by specific light-harvesting proteins whose down-regulation in response to high-light conditions implies a reduction in the number of bound LHCII trimers. These structural modifications, together with the high accumulation of specific polyamines in the thylakoid membrane, play a key role in maintaining PSII stability and photoprotection, allowing C. ohadii to survive in extreme conditions.
History
DepositionNov 11, 2024-
Header (metadata) releaseNov 12, 2025-
Map releaseNov 12, 2025-
UpdateJan 21, 2026-
Current statusJan 21, 2026Processing site: PDBe / Status: Released

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Structure visualization

Supplemental images

emd_52056.png

Downloads & links

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Map

FileDownload / File: emd_52056.map.gz / Format: CCP4 / Size: 421.9 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
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AxesZ (Sec.)Y (Row.)X (Col.)
0.95 Å/pix.
x 480 pix.
= 454.56 Å		0.95 Å/pix.
x 480 pix.
= 454.56 Å		0.95 Å/pix.
x 480 pix.
= 454.56 Å

Surface

Projections

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Images are generated by Spider.

Voxel sizeX=Y=Z: 0.947 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.2
Minimum - Maximum-0.73977584 - 1.291522
Average (Standard dev.)0.0009657982 (±0.04197028)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions480480480
Spacing480480480
CellA=B=C: 454.56 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #2

Fileemd_52056_half_map_1.map
Projections & Slices
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Half map: #1

Fileemd_52056_half_map_2.map
Projections & Slices
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Sample components

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Entire : Photosystem II supercomplex C2S2M2L2

EntireName: Photosystem II supercomplex C2S2M2L2
Components
  • Complex: Photosystem II supercomplex C2S2M2L2
    • Complex: Photosystem II core complex (C2)
      • Protein or peptide: Chloroplast photosystem II 10 kDa protein
      • Protein or peptide: Photosystem II protein D1
      • Protein or peptide: Photosystem II CP47 reaction center protein
      • Protein or peptide: Photosystem II CP43 reaction center protein
      • Protein or peptide: Photosystem II D2 protein
      • Protein or peptide: Cytochrome b559 subunit alpha
      • Protein or peptide: Cytochrome b559 subunit beta
      • Protein or peptide: Photosystem II reaction center protein H
      • Protein or peptide: Photosystem II reaction center protein I
      • Protein or peptide: Photosystem II reaction center protein J
      • Protein or peptide: Photosystem II reaction center protein K
      • Protein or peptide: Photosystem II reaction center protein L
      • Protein or peptide: Photosystem II reaction center protein M
      • Protein or peptide: Chloroplast oxygen-evolving enhancer protein 1b (PsbO)
      • Protein or peptide: PWWP domain-containing protein
      • Protein or peptide: Chloroplast oxygen-evolving enhancer protein 3
      • Protein or peptide: Photosystem II reaction center protein T
      • Protein or peptide: Chloroplast PsbY
      • Protein or peptide: Photosystem II reaction center protein Psb30
      • Protein or peptide: PSII 6.1 kDa protein
      • Protein or peptide: Photosystem II reaction center protein X (PsbX)
      • Protein or peptide: Photosystem II reaction center protein Z
    • Protein or peptide: Chlorophyll a-b binding protein Lhcbm-I
    • Protein or peptide: Chlorophyll a-b binding protein, chloroplastic
    • Protein or peptide: Chlorophyll a-b binding protein, chloroplastic
    • Protein or peptide: Chlorophyll a-b binding protein, chloroplastic
    • Protein or peptide: Chlorophyll a-b binding protein, chloroplastic
    • Protein or peptide: Chlorophyll a-b binding protein, chloroplastic
    • Protein or peptide: Chlorophyll a-b binding protein, chloroplastic
  • Ligand: CHLOROPHYLL B
  • Ligand: CHLOROPHYLL A
  • Ligand: 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE
  • Ligand: (3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL
  • Ligand: (1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL
  • Ligand: (3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL
  • Ligand: 1,2-DIACYL-GLYCEROL-3-SN-PHOSPHATE
  • Ligand: CA-MN4-O5 CLUSTER
  • Ligand: PHEOPHYTIN A
  • Ligand: BETA-CAROTENE
  • Ligand: 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL
  • Ligand: 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE
  • Ligand: 2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,22,26,30,34-HEXATRIACONTANONAENYL-2,5-CYCLOHEXADIENE-1,4-DIONE-2,3-DIMETHYL-5-SOLANESYL-1,4-BENZOQUINONE
  • Ligand: ALPHA-LINOLENIC ACID
  • Ligand: STEARIC ACID
  • Ligand: CHLORIDE ION
  • Ligand: DIGALACTOSYL DIACYL GLYCEROL (DGDG)
  • Ligand: FE (II) ION
  • Ligand: BICARBONATE ION
  • Ligand: PROTOPORPHYRIN IX CONTAINING FE
  • Ligand: PALMITOLEIC ACID

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Supramolecule #1: Photosystem II supercomplex C2S2M2L2

SupramoleculeName: Photosystem II supercomplex C2S2M2L2 / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#29
Source (natural)Organism: Chlorella ohadii (plant)

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Supramolecule #2: Photosystem II core complex (C2)

SupramoleculeName: Photosystem II core complex (C2) / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #4, #6-#20, #23-#27, #29
Source (natural)Organism: Chlorella ohadii (plant)

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Macromolecule #1: Chlorophyll a-b binding protein Lhcbm-I

MacromoleculeName: Chlorophyll a-b binding protein Lhcbm-I / type: protein_or_peptide / ID: 1 / Details: GenBank accession XHY80384 / Number of copies: 6 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 26.744256 KDa
SequenceString: MQAALAQRLA LVKPTRGARK QVTRAAVEFY GPDRAKWLGP FSEGSVPSYL KGEFPGDYGW DTAGLSADPE TFARYREIEV IHARWAMLG ALGCLTPELL QNNGAADFGE AAVWFKAGAS IFNEDGLNYL GNPSLIHAQS IVAVLLTQLV IMGAAEAYRY S GEGPVETS ...String:
MQAALAQRLA LVKPTRGARK QVTRAAVEFY GPDRAKWLGP FSEGSVPSYL KGEFPGDYGW DTAGLSADPE TFARYREIEV IHARWAMLG ALGCLTPELL QNNGAADFGE AAVWFKAGAS IFNEDGLNYL GNPSLIHAQS IVAVLLTQLV IMGAAEAYRY S GEGPVETS GDSLYPGGFF DPLGLADDPD TLAELKVKEI KNGRLAMFSM FGFFVQGLVT GKSPLENLAD HLAEPSVNNG FA SATKFLP LP

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Macromolecule #2: Chlorophyll a-b binding protein, chloroplastic

MacromoleculeName: Chlorophyll a-b binding protein, chloroplastic / type: protein_or_peptide / ID: 2 / Number of copies: 6 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 26.604174 KDa
SequenceString: MQAALSQRLA AIKPSGRATR QVTRASVEWY GPNRPQFLGP FSNPPSYLKG EFPGDYGWDT AGLSADPETF ARYRELEVIH ARWAMLGAL GCVTPELLQR NGVANFGEAV WFKAGAQIFQ EGGLDYLGNP SLIHAQSIVA ILLTQLVLMG LIEGYRVNGG P AGEGLDAL ...String:
MQAALSQRLA AIKPSGRATR QVTRASVEWY GPNRPQFLGP FSNPPSYLKG EFPGDYGWDT AGLSADPETF ARYRELEVIH ARWAMLGAL GCVTPELLQR NGVANFGEAV WFKAGAQIFQ EGGLDYLGNP SLIHAQSIVA ILLTQLVLMG LIEGYRVNGG P AGEGLDAL YPGEAFDPLG LADDPDTFAE LKVKELKNGR LAMVSMLGFG VQGLITRKGP IENLADHLAA PDATNFWVDY AP KSAGIGY

UniProtKB: Chlorophyll a-b binding protein, chloroplastic

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Macromolecule #3: Chlorophyll a-b binding protein, chloroplastic

MacromoleculeName: Chlorophyll a-b binding protein, chloroplastic / type: protein_or_peptide / ID: 3 / Details: UniProt accession A0AAD5DXI2 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 27.506311 KDa
SequenceString: MALSLKVTAT FGGKTKAGTK AGTKKGTQKQ ATTKKAAPKK SSSGASQWYG PDRPKFLGPY STNFVPSYLT GEFPGDYGWD TSGLSADPA TFARYREIEV IHARWAMLGA LGCVVPELLD GTNHIAWFKA GAEIFGDDGI QYLGIPGLIN AKSIVATLIV Q VVLMSYVE ...String:
MALSLKVTAT FGGKTKAGTK AGTKKGTQKQ ATTKKAAPKK SSSGASQWYG PDRPKFLGPY STNFVPSYLT GEFPGDYGWD TSGLSADPA TFARYREIEV IHARWAMLGA LGCVVPELLD GTNHIAWFKA GAEIFGDDGI QYLGIPGLIN AKSIVATLIV Q VVLMSYVE GYRVNGGPAG TGLDAVYPGG NFDPLGLADD PDTLAELKVK EIKNGRLAML SMFGFFIQAI VTGEGPIKNL ND HLADASA NNFYALYAKN LA

UniProtKB: Chlorophyll a-b binding protein, chloroplastic

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Macromolecule #4: Chloroplast photosystem II 10 kDa protein

MacromoleculeName: Chloroplast photosystem II 10 kDa protein / type: protein_or_peptide / ID: 4 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 14.953089 KDa
SequenceString:
MQATFAGSKL QLGARVSRKS VNTTVVASSG KKIDISKQGL NSIQNETVKL NLMGKSKTME SKDWVDPQGR KGKGYGVYRF ANKYGANVD GYSPIYTPDT WSESGDSYKL GTKGLIAWAG LIVVLLGVGI NLVISTSALG Q

UniProtKB: Chloroplast photosystem II 10 kDa protein

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Macromolecule #5: Chlorophyll a-b binding protein, chloroplastic

MacromoleculeName: Chlorophyll a-b binding protein, chloroplastic / type: protein_or_peptide / ID: 5 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 26.169717 KDa
SequenceString: MQAAVAQRLA LVKASRATRQ VTKASAEFYG PDRVKFLGPF SGNTPSYLKG EYPGDYGWDT AGLSADPETF ARYRELEVIH ARWAMLGAL GCVTPELLQR NGAANFGEAV WFKAGAQIFQ EGGLDYLGNP NLVHAQSIVA ILLTQVVLMG LIEGYRVNGG P AGEVVDPI ...String:
MQAAVAQRLA LVKASRATRQ VTKASAEFYG PDRVKFLGPF SGNTPSYLKG EYPGDYGWDT AGLSADPETF ARYRELEVIH ARWAMLGAL GCVTPELLQR NGAANFGEAV WFKAGAQIFQ EGGLDYLGNP NLVHAQSIVA ILLTQVVLMG LIEGYRVNGG P AGEVVDPI YPGEAFDPLG LADDPDTLAE LKVKEIKNGR LAMVSMFGFF IQAIVTGKGP VQNLSDHLAS PSTDNFYSLY AK TLA

UniProtKB: Chlorophyll a-b binding protein, chloroplastic

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Macromolecule #6: Photosystem II protein D1

MacromoleculeName: Photosystem II protein D1 / type: protein_or_peptide / ID: 6 / Number of copies: 2 / Enantiomer: LEVO / EC number: photosystem II
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 39.040438 KDa
SequenceString: MTAILERRES TSLWARFCEW VTSTENRLYI GWFGVLMIPT LLTATSVFII AFIAAPPVDI DGIREPVSGS LLYGNNIITG AIIPTSNAI GLHFYPIWEA ASLDEWLYNG GPYQLIVCHF FLGVCSYMGR EWELSFRLGM RPWIAVAYSA PVAAATAVFI I YPLGQGSF ...String:
MTAILERRES TSLWARFCEW VTSTENRLYI GWFGVLMIPT LLTATSVFII AFIAAPPVDI DGIREPVSGS LLYGNNIITG AIIPTSNAI GLHFYPIWEA ASLDEWLYNG GPYQLIVCHF FLGVCSYMGR EWELSFRLGM RPWIAVAYSA PVAAATAVFI I YPLGQGSF SDGMPLGISG TFNFMIVFQA EHNILMHPFH MLGVAGVFGG SLFSAMHGSL VTSSLIRETT ENESANEGYK FG QEEETYN IVAAHGYFGR LIFQYASFNN SRSLHFFLAA WPVVGIWFTA LGISTMAFNL NGFNFNQSVV DSQGRVINTW ADI INRANL GMEVMHERNA HNFPLDLAVV EAPAVNG

UniProtKB: Photosystem II protein D1

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Macromolecule #7: Photosystem II CP47 reaction center protein

MacromoleculeName: Photosystem II CP47 reaction center protein / type: protein_or_peptide / ID: 7 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 56.199801 KDa
SequenceString: MGLPWYRVHT VVLNDPGRLI AVHLMHTSLV SGWAGSMAFY ELAVFDPSDP VLNPMWRQGM FVLPFMTRLG ITQSWGGWTI SGETASNPG IWSYEGVAAA HIILSGLLFA ASIWHWVYWD LELFRDPRTS NPALDLPKIF GIHLFLSGLL CFGFGAFHVT G LFGPGIWV ...String:
MGLPWYRVHT VVLNDPGRLI AVHLMHTSLV SGWAGSMAFY ELAVFDPSDP VLNPMWRQGM FVLPFMTRLG ITQSWGGWTI SGETASNPG IWSYEGVAAA HIILSGLLFA ASIWHWVYWD LELFRDPRTS NPALDLPKIF GIHLFLSGLL CFGFGAFHVT G LFGPGIWV SDPYGITGTV QAVAPSWDAT GFDPYNPGGI SAHHIAAGIL GVLAGLFHLC VRPPQRLYNG LRMGNIETVL SS SIAAVFW AAFVVSGTMW YGSAATPIEL FGPTRYQWDL GFFQQEIERR VQTSLAEGKS ASQAWAEIPE KLAFYDYIGN NPA KGGLFR AGAMNSGDGI AVGWLGHAVF KDKQGNELFV RRMPTFFETF PVVLLDKDGV VRADVPFRRS ESKYSIEQVG VSVT FYGGE LDGVTFSDPA TVKKYARRAQ LGEIFEFDRA TLQSDGVFRT SPRGWFTFAH LCFALLFFFG HIWHGARTIF RDVFA GIDA DLDEQVEFGA FLKLGDTSTR RQSV

UniProtKB: Photosystem II CP47 reaction center protein

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Macromolecule #8: Photosystem II CP43 reaction center protein

MacromoleculeName: Photosystem II CP43 reaction center protein / type: protein_or_peptide / ID: 8 / Details: GenBank accession AII02053 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 52.106496 KDa
SequenceString: MKNLYSLRRF YHVETLFNGS LVVGGRDQES TGFAWWAGNA RLINLSGKLL GAHVAHAGLI VFWAGAMNLF EVAHFVPEKP MYEQGLILL PHLATLGYGV GPGGEVIDTY PYFVSGVLHL ISSAVLGFGG VYHSLVGPET LEESFPFFGY VWKDKNKMTT I LGIHLIVL ...String:
MKNLYSLRRF YHVETLFNGS LVVGGRDQES TGFAWWAGNA RLINLSGKLL GAHVAHAGLI VFWAGAMNLF EVAHFVPEKP MYEQGLILL PHLATLGYGV GPGGEVIDTY PYFVSGVLHL ISSAVLGFGG VYHSLVGPET LEESFPFFGY VWKDKNKMTT I LGIHLIVL GLGAWLLVWK AMYFGGIYDT WAPGGGDVRI ITNPTVSPGV IFGYLFRSPF GGDGWIVSVD NMEDVIGGHI WI GTLCIFG GIWHILTKPW AWARRAFVWS GEAYLSYSLG AISIMGFTAC CMAWFNTTAY PSEFYGPTGP EASQSQTFTF LVR DQRLGA NVASAQGPTG LGKYLMRSPT GEIIFGGETM RFWDFRGPWL EPLRGPNGLD LNKLKNDIQP WQERRAAEYM THAP LGSLN SVGGVATEIN AVNYVSPRSW LATSHFCLGF FFFVGHLWHA GRARAAAAGF EKGIDRDNEP VLSMRPLD

UniProtKB: Photosystem II CP43 reaction center protein

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Macromolecule #9: Photosystem II D2 protein

MacromoleculeName: Photosystem II D2 protein / type: protein_or_peptide / ID: 9 / Number of copies: 2 / Enantiomer: LEVO / EC number: photosystem II
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 39.534211 KDa
SequenceString: MTIAIGKTQE KRGWFDVVDD WLRRDRFVFV GWSGLLLFPT AYLALGGWFT GTTFVTSWYT HGLASSYLEG CNFLTAAVST PANSMGHSL LFLWGPEAQG DFTRWCQLGG LWTFVALHGS FSLIGFMLRQ FEIARSVKIR PYNAIAFSAP ISVFVSVFLI Y PLGQSGWF ...String:
MTIAIGKTQE KRGWFDVVDD WLRRDRFVFV GWSGLLLFPT AYLALGGWFT GTTFVTSWYT HGLASSYLEG CNFLTAAVST PANSMGHSL LFLWGPEAQG DFTRWCQLGG LWTFVALHGS FSLIGFMLRQ FEIARSVKIR PYNAIAFSAP ISVFVSVFLI Y PLGQSGWF FAPSFGVAAI FRFILFFQGF HNWTLNPFHM MGVAGVLGAA LLCAIHGATV ENTLFEDGDG ANTFRAFNPT QA EETYSMV TANRFWSQIF GVAFSNKRWL HFFMLFVPVT GLWMSAIGVV GLALNLRAYD FVSQEIRAAE DPEFETFYTK NIL LNEGIR AWMAAQDQPH EKLVFPEEVL PRGNAL

UniProtKB: Photosystem II D2 protein

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Macromolecule #10: Cytochrome b559 subunit alpha

MacromoleculeName: Cytochrome b559 subunit alpha / type: protein_or_peptide / ID: 10 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 9.449626 KDa
SequenceString:
MSGATGERPF SDILTSIRYW VIHSITIPSL FIAGWLFVST GLAYDVFGSP RPNEYFTEDR QETPLITDRF NALEQVKKLS EVN

UniProtKB: Cytochrome b559 subunit alpha

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Macromolecule #11: Cytochrome b559 subunit beta

MacromoleculeName: Cytochrome b559 subunit beta / type: protein_or_peptide / ID: 11 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 4.72264 KDa
SequenceString:
MTARKSYTYP IFTVRWLAVH ALAVPTVFFL GAITAMQFIQ R

UniProtKB: Cytochrome b559 subunit beta

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Macromolecule #12: Photosystem II reaction center protein H

MacromoleculeName: Photosystem II reaction center protein H / type: protein_or_peptide / ID: 12 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 8.575999 KDa
SequenceString:
MATGTTSKVK SEDTGISTPL GTLLKPLNSE YGKVAPGWGT TVLMGIFMAL FAVFLVIILE IYNSSVLLDD VTMSWESLAK

UniProtKB: Photosystem II reaction center protein H

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Macromolecule #13: Photosystem II reaction center protein I

MacromoleculeName: Photosystem II reaction center protein I / type: protein_or_peptide / ID: 13 / Details: UniProt acession A0A5P4ND48 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 4.386098 KDa
SequenceString:
MLTLKIFVYT VVTFFVSLFI FGFLSNDPGR NPGQRELD

UniProtKB: Photosystem II reaction center protein I

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Macromolecule #14: Photosystem II reaction center protein J

MacromoleculeName: Photosystem II reaction center protein J / type: protein_or_peptide / ID: 14 / Details: UniProt accession W8TIH6 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 4.246948 KDa
SequenceString:
MSNTGTTGRI PLWLVGTVAG VAVIALVGIF FYGSYVGLGS SL

UniProtKB: Photosystem II reaction center protein J

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Macromolecule #15: Photosystem II reaction center protein K

MacromoleculeName: Photosystem II reaction center protein K / type: protein_or_peptide / ID: 15 / Details: UniProt A0A076EAP2 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 4.681705 KDa
SequenceString:
MLLLAKLPEA YAPFDPIVDV LPVIPVLFLL LALVWQASVS FR

UniProtKB: Photosystem II reaction center protein K

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Macromolecule #16: Photosystem II reaction center protein L

MacromoleculeName: Photosystem II reaction center protein L / type: protein_or_peptide / ID: 16 / Details: Uniprot W8SKK5 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 4.391162 KDa
SequenceString:
MAKPNPNKQS VELNRTSLYW GLLLIFVLAV LFSSYIFN

UniProtKB: Photosystem II reaction center protein L

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Macromolecule #17: Photosystem II reaction center protein M

MacromoleculeName: Photosystem II reaction center protein M / type: protein_or_peptide / ID: 17 / Details: UniProt A0A5P4NAV9 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 3.751495 KDa
SequenceString:
MEVNILGVIA TALFIIIPTS FLLILYVKTA SQEQ

UniProtKB: Photosystem II reaction center protein M

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Macromolecule #18: Chloroplast oxygen-evolving enhancer protein 1b (PsbO)

MacromoleculeName: Chloroplast oxygen-evolving enhancer protein 1b (PsbO)
type: protein_or_peptide / ID: 18 / Details: GenBank accession XHY80383 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 31.55959 KDa
SequenceString: MLAATAPFKP AAAAAAPSAA RPRGRCAAAV RCAAARPEGP QGAWVERCAR GAAAFAGSLL MAQAALAGNF TFDELQAKSY LEVKGSTLA NQCPILGADA QQGLGDVKPG TFQLDKFCME PSSFKVKMPG SKEFEPSTLL TRNTYSLDQM TGSVTVKGDG S VALKQQDG ...String:
MLAATAPFKP AAAAAAPSAA RPRGRCAAAV RCAAARPEGP QGAWVERCAR GAAAFAGSLL MAQAALAGNF TFDELQAKSY LEVKGSTLA NQCPILGADA QQGLGDVKPG TFQLDKFCME PSSFKVKMPG SKEFEPSTLL TRNTYSLDQM TGSVTVKGDG S VALKQQDG IDFAPVTVKI RGGEMVPFMF TVKNLNIEGK ADGLTGDFTV PSYRGATFMD PQGRGAASGW EYVKGLAAAG AQ EELAAEN VKSAAATVGE AAFAIASTDA ATGEIAGVFV TRQLADDDLG SKDPATIEIE GIWYGQLS

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Macromolecule #19: PWWP domain-containing protein

MacromoleculeName: PWWP domain-containing protein / type: protein_or_peptide / ID: 19 / Details: UniProt A0AAD5H4X0 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 94.77907 KDa
SequenceString: METLQAELKP KSAPQTGEAA GLRLVFKGGG LKHLLGHGRK QASGPWRQGG SEQQDGDWPS PGEAAALTDS PGRPFSPSSA EASPAVPPG APSGAAPGPR SVHGQPPGKA PYPDDRTPEA QAARAQSQPA AAAAATAAAA PGAAAAGAAA PGAAPPAAVT A EPNGAPAA ...String:
METLQAELKP KSAPQTGEAA GLRLVFKGGG LKHLLGHGRK QASGPWRQGG SEQQDGDWPS PGEAAALTDS PGRPFSPSSA EASPAVPPG APSGAAPGPR SVHGQPPGKA PYPDDRTPEA QAARAQSQPA AAAAATAAAA PGAAAAGAAA PGAAPPAAVT A EPNGAPAA AGPRSVHSQP PGKGVHPDDP AYRGPVPTGP EGPASQQQPH SSAAVQGSGG DGEGGDGSAG ARSVYGQPPG KN AVQIQQI AAASTQLDQA DDDEEPLSPM SAGGPPHAAP WHQPQQPAKP SGSGQRRPSS AQGAAAAGAA VAHQYKPGDI VWA KIGVYP WWPAQLQRPT ADEHFKPKHA TTDLFCVFYG SNDYNWLPPN QIKPFHESHP DYERHAAVKN RKLQQAIDQL ALAP LCKLS EVTAAVTMQA LSSSKLIASG VQAKSQQQRS ARAAVVVRAS AEGVDRRAAL GLLAAAAAVS TAQPSEAAYG DAARV FAGN ITNKSGFIPY AGEGFALLIP SKWNPSKEQD FPGVVLRYED NGDAVNNLVV LVQKVGKNNI DELGSPDKFL QDNAYL FGE SAAFTGETLS EGGFLPNKVA AASVLDVQEA TDKKGKKYYK YEVLTRSADG DEGGRHQLIA ATVSNGNLYL IKVQCGD KR WFKGAKREAI GAWDSFTVVS VLGR(UNK)VRALW EAKLVATGVI GEPSNEGQQV IQQQLRVGLP PGMAAMPYAA ALQQ QQLLA IRQQQLAAAA AAGGARGALP VGVPPHLLAQ GAAGQPVHMA ALHQMMQAQA QAQAAQAQAA QAQVAQAQAQ AAALA AEQK RKLDAGVAEY REAKQQRTIP QQDGPADDAG EEGGGAAEEG GAAAEEEDDD DPLTEDEEGS GDEVDEAAVA NVVLGQ FEK VQRSKSKWKI VLKDCVLTLD NRDYLCRKVT GEMDFS

UniProtKB: PWWP domain-containing protein

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Macromolecule #20: Chloroplast oxygen-evolving enhancer protein 3

MacromoleculeName: Chloroplast oxygen-evolving enhancer protein 3 / type: protein_or_peptide / ID: 20 / Details: UniProt A0A5P4NB29 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 21.618646 KDa
SequenceString: MQTVAQKAFA GSAVRSAATT PRAARAAVVV RASAESRRAV LGGLVAGVAA LTASSAQALD LFDDRKARQA GFDIIYEARD LDLPQGVRD GLAQARENLD VAKARIKEAE KRIDADLDAY IAKAYWTEGR NELRRQVGTL RFDLNAVADT LPKAAKKEAQ A AKNEFLAA ...String:
MQTVAQKAFA GSAVRSAATT PRAARAAVVV RASAESRRAV LGGLVAGVAA LTASSAQALD LFDDRKARQA GFDIIYEARD LDLPQGVRD GLAQARENLD VAKARIKEAE KRIDADLDAY IAKAYWTEGR NELRRQVGTL RFDLNAVADT LPKAAKKEAQ A AKNEFLAA VEALDLQLRK KNGDKAAAAL ADTKAKLDAV IAKLA

UniProtKB: Chloroplast oxygen-evolving enhancer protein 3

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Macromolecule #21: Chlorophyll a-b binding protein, chloroplastic

MacromoleculeName: Chlorophyll a-b binding protein, chloroplastic / type: protein_or_peptide / ID: 21 / Details: UniProt A0AAD5E2W2 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 31.706676 KDa
SequenceString: MQTVALFGSQ GTKASLLDAT NLLKGKGTAS KTAAKPAAKP AAKPAAKPAV KKAAPSRGGT ERSGGAGYRQ YSGDALWLPN TERPAWLDG SLPGDRGFDP LGLSRPAEYL QIDLDELDQN AAVNKAGGVV GAFTPVADQV STDSLAPYSE VFGLQRFREC E LIHGRWAM ...String:
MQTVALFGSQ GTKASLLDAT NLLKGKGTAS KTAAKPAAKP AAKPAAKPAV KKAAPSRGGT ERSGGAGYRQ YSGDALWLPN TERPAWLDG SLPGDRGFDP LGLSRPAEYL QIDLDELDQN AAVNKAGGVV GAFTPVADQV STDSLAPYSE VFGLQRFREC E LIHGRWAM LACLGALVQE GVTGDSWVAA QTLVYNQPQY AGIDLPFDIY TLAVLNSVLM G(UNK)VELFRNSE LDPERRCY P GGAFDPLNLA SDDSERTQKL REAEIKHARL AMVSFLGYTV QAWYTGEGAL GSLNKFANGF

UniProtKB: Chlorophyll a-b binding protein, chloroplastic

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Macromolecule #22: Chlorophyll a-b binding protein, chloroplastic

MacromoleculeName: Chlorophyll a-b binding protein, chloroplastic / type: protein_or_peptide / ID: 22 / Details: GenBank accession XJP35395 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 30.85307 KDa
SequenceString: MVAMAALRVQ ALFGKGAKAA PKKAAKSAPA PAKKGGVSRS GGWLGSDSQN INLDKWYGPD RVLYLPGGLL ARDEINPVLN GTLPGDYGY DPLGLAKDAE TLAKYRANEL LHARWAMLAA AGAIIPEGLA ANGADVKGAT WFETGAAMLN GGTLNWFAVP F VNFNNPLP ...String:
MVAMAALRVQ ALFGKGAKAA PKKAAKSAPA PAKKGGVSRS GGWLGSDSQN INLDKWYGPD RVLYLPGGLL ARDEINPVLN GTLPGDYGY DPLGLAKDAE TLAKYRANEL LHARWAMLAA AGAIIPEGLA ANGADVKGAT WFETGAAMLN GGTLNWFAVP F VNFNNPLP LFAVVAINVA LMAAAENYRR TEDGPAGYAP GVGKFDESVY SNMDNLYPGG PFDPLGLADD PEVLAELKVK EI KNGRLAM VSFLGFAVQA AVTGEGPYAN WSKHVADPFG YNLLTILSSE DRAAVL

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Macromolecule #23: Photosystem II reaction center protein T

MacromoleculeName: Photosystem II reaction center protein T / type: protein_or_peptide / ID: 23 / Details: UniProt W8SY98 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 3.605399 KDa
SequenceString:
MEALVYTFLL VGTLGIIFFA IFFREPPRIV K

UniProtKB: Photosystem II reaction center protein T

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Macromolecule #24: Chloroplast PsbY

MacromoleculeName: Chloroplast PsbY / type: protein_or_peptide / ID: 24 / Details: Uniprot accession A0A5P4NEE0 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 36.784391 KDa
SequenceString: MQAAACTAAP ALKGCRAALP ARAPRAQRAV VRAQAGKLDV QEAVAKSAAL AGFSAALLSA GSANAAMEVA SIAAGDNRFG TIALLAVPV LGWVGFNILN PLQNQLDAMS TGQYTGVAAG GAKKATKKRG IAAGLGLTAA SLLAAQQADA AQQVADLAAG D NRFGTIAL ...String:
MQAAACTAAP ALKGCRAALP ARAPRAQRAV VRAQAGKLDV QEAVAKSAAL AGFSAALLSA GSANAAMEVA SIAAGDNRFG TIALLAVPV LGWVGFNILN PLQNQLDAMS TGQYTGVAAG GAKKATKKRG IAAGLGLTAA SLLAAQQADA AQQVADLAAG D NRFGTIAL LAVPVIGWVL FNILGPLQNQ LNAMSQDAPA PKKATKKRGI AAGLGLTAAS LLATQSAEAA QQVADLAAGD NR FGTIALL AVPVLGWVGF NILNPLQNQL DAMSTGQYTG VAAGGAKKAT KKRGIAAGLG LTAASLMATQ SAEAAQQVAD LAA GDNRFG TIALLAVPVI GWVLFNILGP LQNQLNAMSQ EKPAAKGGKR K

UniProtKB: Chloroplast PsbY

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Macromolecule #25: Photosystem II reaction center protein Psb30

MacromoleculeName: Photosystem II reaction center protein Psb30 / type: protein_or_peptide / ID: 25 / Details: UniProt A0A076EAR3 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 3.450207 KDa
SequenceString:
MNLEIVLQLT ALLFIVAAGP LVIVLLSSRG GNL

UniProtKB: Photosystem II reaction center protein Psb30

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Macromolecule #26: PSII 6.1 kDa protein

MacromoleculeName: PSII 6.1 kDa protein / type: protein_or_peptide / ID: 26 / Details: UniProt A0AAD5DZE4 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 49.141957 KDa
SequenceString: MAHQDCRFYE QQYPEVDEVV MVQVRSIAEM GAYVSLLEYG NIEGMILLSE LSRRRIRSVQ KLIKVGRQEP VMVLRVDKEK GYIDLSKRR VSPEDLAKCE DRFAKSKLVH SIMRHVAETT GCNLEQLYTE VAWPLYHMYG HAYNAFATMV SDAESEAVFK R LADEAHGG ...String:
MAHQDCRFYE QQYPEVDEVV MVQVRSIAEM GAYVSLLEYG NIEGMILLSE LSRRRIRSVQ KLIKVGRQEP VMVLRVDKEK GYIDLSKRR VSPEDLAKCE DRFAKSKLVH SIMRHVAETT GCNLEQLYTE VAWPLYHMYG HAYNAFATMV SDAESEAVFK R LADEAHGG NVPPVLSQAV KDGILVNIRR RLTPQPIKIR ADVEMTCFAY DGVEKIKESM RAAQAAGTTA CPVSMKLVAA PR YVLTTQT LDKAQGIEVL TKAVEACKAA IEGSKGRMVV KEEARAVSEK EERALEEELQ AAEAANREVS GDTDEDEEFE EGM DVDVDK AGLQTALCQA LRAPVASKAQ TRSNAGRTVV VCRAQQQNLA AKAAAAGVSV PALLAAHPAL ALVDDRLAGE GTGK ILGIN DPSLFWAITI VFTIVWGVFY VSTREIDAAS DRENDDDFGL TL

UniProtKB: PSII 6.1 kDa protein

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Macromolecule #27: Photosystem II reaction center protein X (PsbX)

MacromoleculeName: Photosystem II reaction center protein X (PsbX) / type: protein_or_peptide / ID: 27 / Details: UniProt A0AAD5H2N2 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 9.831387 KDa
SequenceString:
MQAALCSSQT AFVRPTVAAK PQQRAARAAR PVVCSAVKKE QVAAGVTAAA AAVLANPLAA QAAATPSLNN LIGSVVAGGL VLAAIAGAI TAVSNFDSIR R

UniProtKB: Uncharacterized protein

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Macromolecule #28: Chlorophyll a-b binding protein, chloroplastic

MacromoleculeName: Chlorophyll a-b binding protein, chloroplastic / type: protein_or_peptide / ID: 28 / Details: UniProt accession A0AAD5DNU0 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 27.530293 KDa
SequenceString: MQTVAARTGV AASGATRRVT SMRRTVKAKP VKSDSVWYGP DRPKFLGPFS DGLVPAYLTG EFPGDYGWDT SGLSADPETF KKYRTIEVI HARWAMLGAL GCIFPEVLEK YSGVQFGEAV WFKAGAQIFA DGGLNYLGNS GLVHAQSIVA TLVVQVLLMG A VEIYRANG ...String:
MQTVAARTGV AASGATRRVT SMRRTVKAKP VKSDSVWYGP DRPKFLGPFS DGLVPAYLTG EFPGDYGWDT SGLSADPETF KKYRTIEVI HARWAMLGAL GCIFPEVLEK YSGVQFGEAV WFKAGAQIFA DGGLNYLGNS GLVHAQSIVA TLVVQVLLMG A VEIYRANG EGPNGFGEGQ DTLYPGGAFD PLGLADDPDT LAELKVKEIK NGRLAMLSML GFFVQAIVTG KGPLDNLLQH LE EPGEFNF YALYANSLA

UniProtKB: Chlorophyll a-b binding protein, chloroplastic

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Macromolecule #29: Photosystem II reaction center protein Z

MacromoleculeName: Photosystem II reaction center protein Z / type: protein_or_peptide / ID: 29 / Details: UniProt accession W8SKL0 / Number of copies: 2 / Enantiomer: LEVO
Source (natural)Organism: Chlorella ohadii (plant)
Molecular weightTheoretical: 6.727147 KDa
SequenceString:
MLLIFQLALF AFIVVSFLLV VGVPVVLATP EGWAENKGTV FSGIGIWFLL VFLVGILNSF VV

UniProtKB: Photosystem II reaction center protein Z

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Macromolecule #30: CHLOROPHYLL B

MacromoleculeName: CHLOROPHYLL B / type: ligand / ID: 30 / Number of copies: 120 / Formula: CHL
Molecular weightTheoretical: 907.472 Da
Chemical component information

ChemComp-CHL:
CHLOROPHYLL B

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Macromolecule #31: CHLOROPHYLL A

MacromoleculeName: CHLOROPHYLL A / type: ligand / ID: 31 / Number of copies: 264 / Formula: CLA
Molecular weightTheoretical: 893.489 Da
Chemical component information

ChemComp-CLA:
CHLOROPHYLL A

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Macromolecule #32: 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE

MacromoleculeName: 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE / type: ligand / ID: 32 / Number of copies: 48 / Formula: LHG
Molecular weightTheoretical: 722.97 Da
Chemical component information

ChemComp-LHG:
1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE / phospholipid*YM

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Macromolecule #33: (3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL

MacromoleculeName: (3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL
type: ligand / ID: 33 / Number of copies: 42 / Formula: LUT
Molecular weightTheoretical: 568.871 Da
Chemical component information

ChemComp-LUT:
(3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL

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Macromolecule #34: (1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY...

MacromoleculeName: (1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL
type: ligand / ID: 34 / Number of copies: 22 / Formula: NEX
Molecular weightTheoretical: 600.87 Da
Chemical component information

ChemComp-NEX:
(1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL

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Macromolecule #35: (3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BE...

MacromoleculeName: (3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL
type: ligand / ID: 35 / Number of copies: 8 / Formula: XAT
Molecular weightTheoretical: 600.87 Da
Chemical component information

ChemComp-XAT:
(3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL

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Macromolecule #36: 1,2-DIACYL-GLYCEROL-3-SN-PHOSPHATE

MacromoleculeName: 1,2-DIACYL-GLYCEROL-3-SN-PHOSPHATE / type: ligand / ID: 36 / Number of copies: 6 / Formula: 3PH
Molecular weightTheoretical: 704.998 Da
Chemical component information

ChemComp-3PH:
1,2-DIACYL-GLYCEROL-3-SN-PHOSPHATE

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Macromolecule #37: CA-MN4-O5 CLUSTER

MacromoleculeName: CA-MN4-O5 CLUSTER / type: ligand / ID: 37 / Number of copies: 2 / Formula: OEX
Molecular weightTheoretical: 339.827 Da
Chemical component information

ChemComp-OEX:
CA-MN4-O5 CLUSTER

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Macromolecule #38: PHEOPHYTIN A

MacromoleculeName: PHEOPHYTIN A / type: ligand / ID: 38 / Number of copies: 4 / Formula: PHO
Molecular weightTheoretical: 871.2 Da
Chemical component information

ChemComp-PHO:
PHEOPHYTIN A

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Macromolecule #39: BETA-CAROTENE

MacromoleculeName: BETA-CAROTENE / type: ligand / ID: 39 / Number of copies: 20 / Formula: BCR
Molecular weightTheoretical: 536.873 Da
Chemical component information

ChemComp-BCR:
BETA-CAROTENE

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Macromolecule #40: 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL

MacromoleculeName: 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL
type: ligand / ID: 40 / Number of copies: 8 / Formula: SQD
Molecular weightTheoretical: 795.116 Da
Chemical component information

ChemComp-SQD:
1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL

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Macromolecule #41: 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE

MacromoleculeName: 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE / type: ligand / ID: 41 / Number of copies: 22 / Formula: LMG
Molecular weightTheoretical: 787.158 Da
Chemical component information

ChemComp-LMG:
1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE

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Macromolecule #42: 2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,...

MacromoleculeName: 2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,22,26,30,34-HEXATRIACONTANONAENYL-2,5-CYCLOHEXADIENE-1,4-DIONE-2,3-DIMETHYL-5-SOLANESYL-1,4-BENZOQUINONE
type: ligand / ID: 42 / Number of copies: 4 / Formula: PL9
Molecular weightTheoretical: 749.201 Da
Chemical component information

ChemComp-PL9:
2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,22,26,30,34-HEXATRIACONTANONAENYL-2,5-CYCLOHEXADIENE-1,4-DIONE-2,3-DIMETHYL-5-SOLANESYL-1,4-BENZOQUINONE

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Macromolecule #43: ALPHA-LINOLENIC ACID

MacromoleculeName: ALPHA-LINOLENIC ACID / type: ligand / ID: 43 / Number of copies: 22 / Formula: LNL
Molecular weightTheoretical: 278.43 Da
Chemical component information

ChemComp-LNL:
ALPHA-LINOLENIC ACID

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Macromolecule #44: STEARIC ACID

MacromoleculeName: STEARIC ACID / type: ligand / ID: 44 / Number of copies: 2 / Formula: STE
Molecular weightTheoretical: 284.477 Da
Chemical component information

ChemComp-STE:
STEARIC ACID

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Macromolecule #45: CHLORIDE ION

MacromoleculeName: CHLORIDE ION / type: ligand / ID: 45 / Number of copies: 2 / Formula: CL
Molecular weightTheoretical: 35.453 Da

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Macromolecule #46: DIGALACTOSYL DIACYL GLYCEROL (DGDG)

MacromoleculeName: DIGALACTOSYL DIACYL GLYCEROL (DGDG) / type: ligand / ID: 46 / Number of copies: 8 / Formula: DGD
Molecular weightTheoretical: 949.299 Da
Chemical component information

ChemComp-DGD:
DIGALACTOSYL DIACYL GLYCEROL (DGDG)

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Macromolecule #47: FE (II) ION

MacromoleculeName: FE (II) ION / type: ligand / ID: 47 / Number of copies: 2 / Formula: FE2
Molecular weightTheoretical: 55.845 Da

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Macromolecule #48: BICARBONATE ION

MacromoleculeName: BICARBONATE ION / type: ligand / ID: 48 / Number of copies: 2 / Formula: BCT
Molecular weightTheoretical: 61.017 Da
Chemical component information

ChemComp-BCT:
BICARBONATE ION / pH buffer*YM

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Macromolecule #49: PROTOPORPHYRIN IX CONTAINING FE

MacromoleculeName: PROTOPORPHYRIN IX CONTAINING FE / type: ligand / ID: 49 / Number of copies: 2 / Formula: HEM
Molecular weightTheoretical: 616.487 Da
Chemical component information

ChemComp-HEM:
PROTOPORPHYRIN IX CONTAINING FE

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Macromolecule #50: PALMITOLEIC ACID

MacromoleculeName: PALMITOLEIC ACID / type: ligand / ID: 50 / Number of copies: 2 / Formula: PAM
Molecular weightTheoretical: 254.408 Da
Chemical component information

ChemComp-PAM:
PALMITOLEIC ACID

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

Concentration3.0 mg/mL
BufferpH: 6.5
Component:
ConcentrationName
25.0 mMMES
1.0 MBetaine
0.008 %n-Decyl-alpha-D-maltopyranoside
GridModel: Quantifoil R2/1 / Material: COPPER / Mesh: 200 / Support film - Material: CARBON / Support film - topology: HOLEY / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 25 sec. / Pretreatment - Pressure: 0.04 kPa
VitrificationCryogen name: ETHANE / Chamber humidity: 95 % / Chamber temperature: 279 K / Instrument: FEI VITROBOT MARK IV
DetailsC2S2M2L2 PSII-supercomplex purified by the sucrose density gradient.

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Electron microscopy

MicroscopeTFS GLACIOS
SoftwareName: EPU (ver. 3.3)
Image recordingFilm or detector model: FEI FALCON IV (4k x 4k) / Average electron dose: 90.0 e/Å2
Electron beamAcceleration voltage: 200 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.0 µm / Nominal defocus min: 0.5 µm
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN

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Image processing

CTF correctionSoftware - Name: CTFFIND (ver. 4.1) / Type: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: OTHER
Details: Ab initio reconstruction with the cryoSPARC software
Final reconstructionApplied symmetry - Point group: C2 (2 fold cyclic) / Resolution.type: BY AUTHOR / Resolution: 2.95 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC (ver. 4.3.1.) / Number images used: 225372
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC (ver. 4.3.1.)
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC (ver. 4.3.1.)
FSC plot (resolution estimation)

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Atomic model buiding 1

Initial model
PDB IDChainDetails

7oui

source_name: PDB, initial_model_type: experimental modelArabidopsis PSII supercomplex C2S2M2

8c29

source_name: PDB, initial_model_type: experimental modelSpruce PSII supercomplex C2S2
RefinementSpace: REAL / Protocol: AB INITIO MODEL
Output model

PDB-9hd7:
Cryo-EM structure of photosystem II C2S2M2L2 supercomplex from the green alga Chlorella ohadii

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