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- EMDB-38215: Human GPR34 -Gi complex bound to S3E-LysoPS -

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Entry
Database: EMDB / ID: EMD-38215
TitleHuman GPR34 -Gi complex bound to S3E-LysoPS
Map data
Sample
  • Complex: Human GPR34-Gi complex bound to S3E-LysoPS
    • Complex: Guanine nucleotide-binding protein G(i) subunit alpha-1
      • Protein or peptide: Guanine nucleotide-binding protein G(i) subunit alpha-1
    • Complex: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
      • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
    • Complex: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
      • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
    • Complex: Probable G-protein coupled receptor 34
      • Protein or peptide: Probable G-protein coupled receptor 34
    • Complex: scFv16
      • Protein or peptide: scFv16
  • Ligand: (2~{S})-2-azanyl-3-[[(2~{R})-1-ethoxy-3-[(~{Z})-octadec-9-enoyl]oxy-propan-2-yl]oxy-oxidanyl-phosphoryl]oxy-propanoic acid
KeywordsGPCR / MEMBRANE PROTEIN
Function / homology
Function and homology information


G protein-coupled purinergic nucleotide receptor activity / G-protein activation / Activation of the phototransduction cascade / : / Glucagon-type ligand receptors / Thromboxane signalling through TP receptor / Sensory perception of sweet, bitter, and umami (glutamate) taste / G beta:gamma signalling through PI3Kgamma / G beta:gamma signalling through CDC42 / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding ...G protein-coupled purinergic nucleotide receptor activity / G-protein activation / Activation of the phototransduction cascade / : / Glucagon-type ligand receptors / Thromboxane signalling through TP receptor / Sensory perception of sweet, bitter, and umami (glutamate) taste / G beta:gamma signalling through PI3Kgamma / G beta:gamma signalling through CDC42 / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / Ca2+ pathway / Activation of G protein gated Potassium channels / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / G alpha (z) signalling events / Vasopressin regulates renal water homeostasis via Aquaporins / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / Adrenaline,noradrenaline inhibits insulin secretion / ADP signalling through P2Y purinoceptor 12 / G alpha (q) signalling events / G alpha (i) signalling events / Thrombin signalling through proteinase activated receptors (PARs) / Activation of G protein gated Potassium channels / G-protein activation / G beta:gamma signalling through PI3Kgamma / Prostacyclin signalling through prostacyclin receptor / G beta:gamma signalling through PLC beta / ADP signalling through P2Y purinoceptor 1 / Thromboxane signalling through TP receptor / Presynaptic function of Kainate receptors / G beta:gamma signalling through CDC42 / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / Glucagon-type ligand receptors / alkylglycerophosphoethanolamine phosphodiesterase activity / Adrenaline,noradrenaline inhibits insulin secretion / G alpha (12/13) signalling events / G beta:gamma signalling through BTK / ADP signalling through P2Y purinoceptor 12 / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / Thrombin signalling through proteinase activated receptors (PARs) / Ca2+ pathway / G alpha (z) signalling events / Extra-nuclear estrogen signaling / G alpha (s) signalling events / G alpha (q) signalling events / photoreceptor outer segment membrane / G alpha (i) signalling events / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / spectrin binding / Vasopressin regulates renal water homeostasis via Aquaporins / photoreceptor outer segment / Adenylate cyclase inhibitory pathway / positive regulation of protein localization to cell cortex / regulation of cAMP-mediated signaling / D2 dopamine receptor binding / G protein-coupled serotonin receptor binding / regulation of mitotic spindle organization / cellular response to forskolin / cardiac muscle cell apoptotic process / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / photoreceptor inner segment / Regulation of insulin secretion / G protein-coupled receptor binding / G protein-coupled receptor activity / G-protein beta/gamma-subunit complex binding / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / ADP signalling through P2Y purinoceptor 12 / response to peptide hormone / Adrenaline,noradrenaline inhibits insulin secretion / G alpha (z) signalling events / cellular response to catecholamine stimulus / ADORA2B mediated anti-inflammatory cytokines production / adenylate cyclase-activating dopamine receptor signaling pathway / cellular response to prostaglandin E stimulus / sensory perception of taste / GPER1 signaling / GDP binding / G-protein beta-subunit binding / heterotrimeric G-protein complex / signaling receptor complex adaptor activity / retina development in camera-type eye / GTPase binding / cell body / phospholipase C-activating G protein-coupled receptor signaling pathway / cell cortex / midbody / positive regulation of cytosolic calcium ion concentration / G alpha (i) signalling events / cellular response to hypoxia / G alpha (s) signalling events / cell population proliferation / Extra-nuclear estrogen signaling / cell cycle / G protein-coupled receptor signaling pathway / lysosomal membrane / cell division / GTPase activity / centrosome / dendrite / protein-containing complex binding
Similarity search - Function
: / G-protein alpha subunit, group I / G-alpha domain profile. / Guanine nucleotide binding protein (G-protein), alpha subunit / G protein alpha subunit, helical insertion / G-protein alpha subunit / G protein alpha subunit / G-protein, gamma subunit / G-protein gamma subunit domain profile. / GGL domain ...: / G-protein alpha subunit, group I / G-alpha domain profile. / Guanine nucleotide binding protein (G-protein), alpha subunit / G protein alpha subunit, helical insertion / G-protein alpha subunit / G protein alpha subunit / G-protein, gamma subunit / G-protein gamma subunit domain profile. / GGL domain / G-protein gamma-like domain superfamily / G-protein gamma-like domain / GGL domain / G protein gamma subunit-like motifs / Guanine nucleotide-binding protein, beta subunit / G-protein, beta subunit / G-protein coupled receptors family 1 signature. / G protein-coupled receptor, rhodopsin-like / GPCR, rhodopsin-like, 7TM / G-protein coupled receptors family 1 profile. / 7 transmembrane receptor (rhodopsin family) / G-protein beta WD-40 repeat / WD40 repeat, conserved site / Trp-Asp (WD) repeats signature. / WD domain, G-beta repeat / WD40 repeats / WD40 repeat / Trp-Asp (WD) repeats profile. / Trp-Asp (WD) repeats circular profile. / WD40-repeat-containing domain superfamily / WD40/YVTN repeat-like-containing domain superfamily / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1 / Guanine nucleotide-binding protein G(i) subunit alpha-1 / Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 / Probable G-protein coupled receptor 34
Similarity search - Component
Biological speciesHomo sapiens (human) / Rattus norvegicus (Norway rat) / Bos taurus (cattle) / Mus musculus (house mouse)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.4 Å
AuthorsKawahara R / Shihoya W / Nureki O
Funding support Japan, 1 items
OrganizationGrant numberCountry
Japan Society for the Promotion of Science (JSPS)21H05037 Japan
CitationJournal: Nat Commun / Year: 2024
Title: Structural basis for lysophosphatidylserine recognition by GPR34.
Authors: Tamaki Izume / Ryo Kawahara / Akiharu Uwamizu / Luying Chen / Shun Yaginuma / Jumpei Omi / Hiroki Kawana / Fengjue Hou / Fumiya K Sano / Tatsuki Tanaka / Kazuhiro Kobayashi / Hiroyuki H ...Authors: Tamaki Izume / Ryo Kawahara / Akiharu Uwamizu / Luying Chen / Shun Yaginuma / Jumpei Omi / Hiroki Kawana / Fengjue Hou / Fumiya K Sano / Tatsuki Tanaka / Kazuhiro Kobayashi / Hiroyuki H Okamoto / Yoshiaki Kise / Tomohiko Ohwada / Junken Aoki / Wataru Shihoya / Osamu Nureki /
Abstract: GPR34 is a recently identified G-protein coupled receptor, which has an immunomodulatory role and recognizes lysophosphatidylserine (LysoPS) as a putative ligand. Here, we report cryo-electron ...GPR34 is a recently identified G-protein coupled receptor, which has an immunomodulatory role and recognizes lysophosphatidylserine (LysoPS) as a putative ligand. Here, we report cryo-electron microscopy structures of human GPR34-G complex bound with one of two ligands bound: either the LysoPS analogue S3E-LysoPS, or M1, a derivative of S3E-LysoPS in which oleic acid is substituted with a metabolically stable aromatic fatty acid surrogate. The ligand-binding pocket is laterally open toward the membrane, allowing lateral entry of lipidic agonists into the cavity. The amine and carboxylate groups of the serine moiety are recognized by the charged residue cluster. The acyl chain of S3E-LysoPS is bent and fits into the L-shaped hydrophobic pocket in TM4-5 gap, and the aromatic fatty acid surrogate of M1 fits more appropriately. Molecular dynamics simulations further account for the LysoPS-regioselectivity of GPR34. Thus, using a series of structural and physiological experiments, we provide evidence that chemically unstable 2-acyl LysoPS is the physiological ligand for GPR34. Overall, we anticipate the present structures will pave the way for development of novel anticancer drugs that specifically target GPR34.
History
DepositionDec 6, 2023-
Header (metadata) releaseMay 15, 2024-
Map releaseMay 15, 2024-
UpdateMay 15, 2024-
Current statusMay 15, 2024Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_38215.png

Downloads & links

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Map

FileDownload / File: emd_38215.map.gz / Format: CCP4 / Size: 8.4 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Voxel sizeX=Y=Z: 1.117 Å
Density
Contour LevelBy AUTHOR: 1.3
Minimum - Maximum-8.722294 - 11.543706999999999
Average (Standard dev.)-0.0003790432 (±0.53337514)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin293349
Dimensions136144112
Spacing144136112
CellA: 160.84799 Å / B: 151.912 Å / C: 125.104 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_38215_msk_1.map
Projections & Slices
AxesZYX

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Slices (1/2)
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Histogram

Histogram (log scale)

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Half map: #2

Fileemd_38215_half_map_1.map
Projections & Slices
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Histogram

Histogram (log scale)

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Half map: #1

Fileemd_38215_half_map_2.map
Projections & Slices
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Sample components

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Entire : Human GPR34-Gi complex bound to S3E-LysoPS

EntireName: Human GPR34-Gi complex bound to S3E-LysoPS
Components
  • Complex: Human GPR34-Gi complex bound to S3E-LysoPS
    • Complex: Guanine nucleotide-binding protein G(i) subunit alpha-1
      • Protein or peptide: Guanine nucleotide-binding protein G(i) subunit alpha-1
    • Complex: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
      • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
    • Complex: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
      • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
    • Complex: Probable G-protein coupled receptor 34
      • Protein or peptide: Probable G-protein coupled receptor 34
    • Complex: scFv16
      • Protein or peptide: scFv16
  • Ligand: (2~{S})-2-azanyl-3-[[(2~{R})-1-ethoxy-3-[(~{Z})-octadec-9-enoyl]oxy-propan-2-yl]oxy-oxidanyl-phosphoryl]oxy-propanoic acid

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Supramolecule #1: Human GPR34-Gi complex bound to S3E-LysoPS

SupramoleculeName: Human GPR34-Gi complex bound to S3E-LysoPS / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#5

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Supramolecule #2: Guanine nucleotide-binding protein G(i) subunit alpha-1

SupramoleculeName: Guanine nucleotide-binding protein G(i) subunit alpha-1
type: complex / ID: 2 / Parent: 1 / Macromolecule list: #2
Source (natural)Organism: Homo sapiens (human)

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Supramolecule #3: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1

SupramoleculeName: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
type: complex / ID: 3 / Parent: 1 / Macromolecule list: #3
Source (natural)Organism: Rattus norvegicus (Norway rat)

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Supramolecule #4: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2

SupramoleculeName: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
type: complex / ID: 4 / Parent: 1 / Macromolecule list: #4
Source (natural)Organism: Bos taurus (cattle)

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Supramolecule #5: Probable G-protein coupled receptor 34

SupramoleculeName: Probable G-protein coupled receptor 34 / type: complex / ID: 5 / Parent: 1 / Macromolecule list: #5
Source (natural)Organism: Homo sapiens (human)

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Supramolecule #6: scFv16

SupramoleculeName: scFv16 / type: complex / ID: 6 / Parent: 1 / Macromolecule list: #1
Source (natural)Organism: Mus musculus (house mouse)

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Macromolecule #1: scFv16

MacromoleculeName: scFv16 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Mus musculus (house mouse)
Molecular weightTheoretical: 27.720795 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: DVQLVESGGG LVQPGGSRKL SCSASGFAFS SFGMHWVRQA PEKGLEWVAY ISSGSGTIYY ADTVKGRFTI SRDDPKNTLF LQMTSLRSE DTAMYYCVRS IYYYGSSPFD FWGQGTTLTV SSGGGGSGGG GSGGGGSDIV MTQATSSVPV TPGESVSISC R SSKSLLHS ...String:
DVQLVESGGG LVQPGGSRKL SCSASGFAFS SFGMHWVRQA PEKGLEWVAY ISSGSGTIYY ADTVKGRFTI SRDDPKNTLF LQMTSLRSE DTAMYYCVRS IYYYGSSPFD FWGQGTTLTV SSGGGGSGGG GSGGGGSDIV MTQATSSVPV TPGESVSISC R SSKSLLHS NGNTYLYWFL QRPGQSPQLL IYRMSNLASG VPDRFSGSGS GTAFTLTISR LEAEDVGVYY CMQHLEYPLT FG AGTKLEL KAAAASSEDL YFQ

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Macromolecule #2: Guanine nucleotide-binding protein G(i) subunit alpha-1

MacromoleculeName: Guanine nucleotide-binding protein G(i) subunit alpha-1
type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 40.415031 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MGCTLSAEDK AAVERSKMID RNLREDGEKA AREVKLLLLG AGESGKSTIV KQMKIIHEAG YSEEECKQYK AVVYSNTIQS IIAIIRAMG RLKIDFGDSA RADDARQLFV LAGAAEEGFM TAELAGVIKR LWKDSGVQAC FNRSREYQLN DSAAYYLNDL D RIAQPNYI ...String:
MGCTLSAEDK AAVERSKMID RNLREDGEKA AREVKLLLLG AGESGKSTIV KQMKIIHEAG YSEEECKQYK AVVYSNTIQS IIAIIRAMG RLKIDFGDSA RADDARQLFV LAGAAEEGFM TAELAGVIKR LWKDSGVQAC FNRSREYQLN DSAAYYLNDL D RIAQPNYI PTQQDVLRTR VKTTGIVETH FTFKDLHFKM FDVGGQRSER KKWIHCFEGV TAIIFCVALS DYDLVLAEDE EM NRMHESM KLFDSICNNK WFTDTSIILF LNKKDLFEEK IKKSPLTICY PEYAGSNTYE EAAAYIQCQF EDLNKRKDTK EIY THFTCA TDTKNVQFVF DAVTDVIIKN NLKDCGLF

UniProtKB: Guanine nucleotide-binding protein G(i) subunit alpha-1

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Macromolecule #3: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1

MacromoleculeName: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Rattus norvegicus (Norway rat)
Molecular weightTheoretical: 37.79927 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: GSQLQSELDQ LRQEAEQLKN QIRDARKACA DATLSQITNN IDPVGRIQMR TRRTLRGHLA KIYAMHWGTD SRLLVSASQD GKLIIWDSY TTNKVHAIPL RSSWVMTCAY APSGNYVACG GLDNICSIYN LKTREGNVRV SRELAGHTGY LSCCRFLDDN Q IVTSSGDT ...String:
GSQLQSELDQ LRQEAEQLKN QIRDARKACA DATLSQITNN IDPVGRIQMR TRRTLRGHLA KIYAMHWGTD SRLLVSASQD GKLIIWDSY TTNKVHAIPL RSSWVMTCAY APSGNYVACG GLDNICSIYN LKTREGNVRV SRELAGHTGY LSCCRFLDDN Q IVTSSGDT TCALWDIETG QQTTTFTGHT GDVMSLSLAP DTRLFVSGAC DASAKLWDVR EGMCRQTFTG HESDINAICF FP NGNAFAT GSDDATCRLF DLRADQELMT YSHDNIICGI TSVSFSKSGR LLLAGYDDFN CNVWDALKAD RAGVLAGHDN RVS CLGVTD DGMAVATGSW DSFLKIWN

UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1

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Macromolecule #4: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2

MacromoleculeName: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Bos taurus (cattle)
Molecular weightTheoretical: 7.56375 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString:
MASNNTASIA QARKLVEQLK MEANIDRIKV SKAAADLMAY CEAHAKEDPL LTPVPASENP FREKKFFC

UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2

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Macromolecule #5: Probable G-protein coupled receptor 34

MacromoleculeName: Probable G-protein coupled receptor 34 / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 45.702742 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: DYKDDDDAMG RSHTITMTTT SVSSWPYSSH RMRFITNHSD QPPQNFSATP NVTTCPMDEK LLSTVLTTSY SVIFIVGLVG NIIALYVFL GIHRKRNSIQ IYLLNVAIAD LLLIFCLPFR IMYHINQNKW TLGVILCKVV GTLFYMNMYI SIILLGFISL D RYIKINRS ...String:
DYKDDDDAMG RSHTITMTTT SVSSWPYSSH RMRFITNHSD QPPQNFSATP NVTTCPMDEK LLSTVLTTSY SVIFIVGLVG NIIALYVFL GIHRKRNSIQ IYLLNVAIAD LLLIFCLPFR IMYHINQNKW TLGVILCKVV GTLFYMNMYI SIILLGFISL D RYIKINRS IQQRKAITTK QSIYVCCIVW MLALGGFLTM IILTLKKGGH NSTMCFHYRD KHNAKGEAIF NFILVVMFWL IF LLIILSY IKIGKNLLRI SKRRSKFPNS GKYATTARNS FIVLIIFTIC FVPYHAFRFI YISSQLNVSS CYWKEIVHKT NEI MLVLSS FNSCLDPVMY FLMSSNIRKI MCQLLFRRFQ GEPSRSESTS EFKPGYSLHD TSVAVKIQSS SKSTENLYFQ

UniProtKB: Probable G-protein coupled receptor 34

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Macromolecule #6: (2~{S})-2-azanyl-3-[[(2~{R})-1-ethoxy-3-[(~{Z})-octadec-9-enoyl]o...

MacromoleculeName: (2~{S})-2-azanyl-3-[[(2~{R})-1-ethoxy-3-[(~{Z})-octadec-9-enoyl]oxy-propan-2-yl]oxy-oxidanyl-phosphoryl]oxy-propanoic acid
type: ligand / ID: 6 / Number of copies: 1 / Formula: KW0
Molecular weightTheoretical: 551.65 Da

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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

Concentration12 mg/mL
BufferpH: 8
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELDBright-field microscopy / Nominal defocus max: 2.5 µm / Nominal defocus min: 0.5 µm
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 50.0 e/Å2
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

7dh5

Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.4 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 79925
FSC plot (resolution estimation)

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