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SummaryStructural detailsExperimental detailsFunctional detailsSequence NeighborHistoryDownloads

7Y7B

Cryo-EM structure of cryptophyte photosystem I

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(1)		ACPI-1polymer22223479.41Chroomonas placoidea
2B
(2)		ACPI-2polymer21623400.11Chroomonas placoidea
3C
(3)		ACPI-3polymer23624966.31Chroomonas placoidea
4D
(4)		ACPI-4polymer21723548.21Chroomonas placoidea
5E
(5)		ACPI-5polymer22924055.01Chroomonas placoidea
6F
(6)		ACPI-6polymer21522688.61Chroomonas placoidea
7G
(7)		ACPI-7polymer23024550.41Chroomonas placoidea
8H
(8)		ACPI-8polymer22723700.51Chroomonas placoidea
9I
(9)		ACPI-12polymer22023223.11Chroomonas placoidea
10J
(A)		Photosystem I P700 chlorophyll a apoprotein A1polymer75283493.61UniProt (A0A222AIB4)Chroomonas placoideaPsaA
11K
(B)		Photosystem I P700 chlorophyll a apoprotein A2polymer73482219.81UniProt (A0A222AI95)Chroomonas placoideaPsaB
12L
(C)		Photosystem I iron-sulfur centerpolymer818743.11UniProt (A0A222AI25)Chroomonas placoidea9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC
13M
(D)		Photosystem I reaction center subunit IIpolymer14115590.81UniProt (A0A222AIA6)Chroomonas placoidea
14N
(E)		Photosystem I reaction center subunit IVpolymer647352.41UniProt (A0A222AIF3)Chroomonas placoidea
15O
(F)		Photosystem I reaction center subunit IIIpolymer18320393.51UniProt (A0A222AI52)Chroomonas placoideaPSI-F
16P
(I)		Photosystem I reaction center subunit VIIIpolymer363975.81UniProt (A0A222AI78)Chroomonas placoidea
17Q
(J)		Photosystem I reaction center subunit IXpolymer424862.71UniProt (A0A222AI55)Chroomonas placoidea
18R
(K)		Photosystem I reaction center subunit PsaKpolymer878836.41UniProt (A0A222AI34)Chroomonas placoideaPhotosystem I subunit X
19S
(L)		Photosystem I reaction center subunit XIpolymer15316490.91UniProt (A0A222AI68)Chroomonas placoideaPSI subunit V,PSI-L
20T
(M)		Photosystem I reaction center subunit XIIpolymer303248.01UniProt (A0A222AI28)Chroomonas placoideaPSI-M
21U
(O)		PsaOpolymer9910766.41Chroomonas placoidea
22V
(R)		PsaRpolymer13313867.01Chroomonas placoidea
23W
(X)		Unk1polymer16413975.21Chroomonas placoidea
24X
(Z)		ACPI-Spolymer24225645.51Chroomonas placoidea
25BA, Y
(a, d)		ACPI-13/10polymer21522271.02Chroomonas placoidea
26Z
(b)		ACPI-14polymer21823755.61Chroomonas placoidea
27AA
(c)		ACPI-9polymer25727212.11Chroomonas placoidea
28CA
(e)		ACPI-11polymer20822451.31Chroomonas placoidea
29AB, AC, AE, AF, AH...
(2, 3, 6, 7, A...)		CHLOROPHYLL Anon-polymer893.5254Chemie (CLA)
30CF, DP, FB, IO, JE...
(7, d, 2, c, 6...)		Chlorophyll c2non-polymer608.920Chemie (KC2)
31AD, AQ, BD, BQ, CC...
(4, e, 3, 8, a...)		(1~{R})-3,5,5-trimethyl-4-[(3~{E},5~{E},7~{E},9~{E},11~{E},13~{E},15~{E})-3,7,12,16-tetramethyl-18-[(4~{R})-2,6,6-trimethyl-4-oxidanyl-cyclohexen-1-yl]octadeca-3,5,7,9,11,13,15-heptaen-1,17-diynyl]cyclohex-3-en-1-olnon-polymer564.859Chemie (II0)
PubChem (177692900)
PubChem (5316280)
PubChem (78384730)
PubChem (12305997)
PubChem (6443740)
PubChem (101415957)
PubChem (162955782)
PubChem (172707811)
32RA, VN, ZP
(1, b, e)		(1~{R})-3,5,5-trimethyl-4-[(3~{E},5~{E},7~{E},9~{E},11~{E},13~{E},15~{E},17~{E})-3,7,12,16-tetramethyl-18-[(1~{R},4~{R})-2,6,6-trimethyl-4-oxidanyl-cyclohex-2-en-1-yl]octadeca-3,5,7,9,11,13,15,17-octaen-1-ynyl]cyclohex-3-en-1-olnon-polymer566.93Chemie (II3)
PubChem (101306756)
PubChem (171119109)
PubChem (172827117)
PubChem (162961365)
33GN, HM, KP, LB, LL...
(a, Z, d, 2, K...)		(1~{R})-3,5,5-trimethyl-4-[(3~{E},5~{E},7~{E},9~{E},11~{E},13~{E},15~{E},17~{E})-3,7,12,16-tetramethyl-18-(2,6,6-trimethylcyclohexen-1-yl)octadeca-3,5,7,9,11,13,15,17-octaen-1-ynyl]cyclohex-3-en-1-olnon-polymer550.912Chemie (IHT)
PubChem (21778309)
PubChem (23424958)
PubChem (73838001)
34AG, BL, DL, HC, JC...
(8, F, I, 3, 2...)		1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDEnon-polymer787.27Chemie (LMG)
35DD, FD, HN, IC, KF...
(4, a, 3, 7, d...)		1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLEnon-polymer723.023Chemie (LHG)
PubChem (446440)
PubChem (46936292)
PubChem (73416066)
PubChem (65144)
PubChem (9547104)
PubChem (11846227)
PubChem (13305396)
PubChem (138986743)
36AM, KC
(O, 3)		1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROLnon-polymer795.12Chemie (SQD)
PubChem (25147486)
PubChem (25235342)
PubChem (42607399)
PubChem (5459390)
PubChem (159321)
PubChem (9810997)
PubChem (9918745)
PubChem (481096)
PubChem (10219110)
PubChem (10373133)
PubChem (14463145)
PubChem (102201395)
PubChem (134765349)
37CD, CL, CM, CQ, EM...
(4, I, R, e, J...)		(6'R,11cis,11'cis,13cis,15cis)-4',5'-didehydro-5',6'-dihydro-beta,beta-carotenenon-polymer536.925Chemie (8CT)
38BM, DQ, ED, HL, MF
(O, e, 4, J, 7)		DODECYL-ALPHA-D-MALTOSIDEnon-polymer510.65Chemie (LMU)
PubChem (16220143)
PubChem (114880)
PubChem (24802120)
PubChem (25021193)
PubChem (44119948)
PubChem (445456)
PubChem (46936627)
PubChem (53393702)
PubChem (56845466)
PubChem (3481630)
PubChem (58112562)
PubChem (58253045)
PubChem (60087035)
PubChem (59615220)
PubChem (68322761)
PubChem (68338004)
PubChem (68441652)
PubChem (70796428)
PubChem (70813879)
PubChem (70839937)
PubChem (2802066)
PubChem (75487624)
PubChem (89796216)
PubChem (9849225)
PubChem (91094859)
PubChem (91608950)
PubChem (10413991)
PubChem (90817611)
PubChem (95566088)
PubChem (95566089)
PubChem (95566090)
PubChem (96327540)
PubChem (97038234)
PubChem (97038235)
PubChem (97294875)
PubChem (98046621)
PubChem (98046622)
PubChem (98046623)
PubChem (100976848)
PubChem (101111379)
PubChem (101111381)
PubChem (95566087)
PubChem (102565427)
PubChem (102219025)
PubChem (117716045)
PubChem (117753833)
PubChem (118443377)
PubChem (123281924)
PubChem (124184997)
PubChem (124196217)
PubChem (124196220)
PubChem (126735853)
PubChem (126735860)
PubChem (129720403)
PubChem (140505128)
PubChem (153835411)
PubChem (134694723)
PubChem (155885597)
PubChem (140479759)
PubChem (140841257)
PubChem (169619620)
PubChem (154810097)
PubChem (159812235)
PubChem (173767704)
PubChem (173885518)
PubChem (163184859)
39LK, SI
(B, A)		PHYLLOQUINONEnon-polymer450.72Chemie (PQN)
PubChem (4812)
PubChem (21896458)
PubChem (57138572)
PubChem (5315258)
PubChem (7048753)
PubChem (7048755)
PubChem (9846607)
PubChem (92436622)
PubChem (93233163)
PubChem (93971968)
PubChem (5280483)
PubChem (5284607)
PubChem (7048754)
PubChem (133612476)
PubChem (162999945)
40VK, WI, WK
(C, B)		IRON/SULFUR CLUSTERnon-polymer351.63Chemie (SF4)
41IM, RK
(Z, B)		DIGALACTOSYL DIACYL GLYCEROL (DGDG)non-polymer949.32Chemie (DGD)
PubChem (24865462)
PubChem (24865463)
PubChem (448441)
PubChem (50904896)
PubChem (53480668)
PubChem (46936671)
PubChem (447899)
PubChem (4629344)
PubChem (15991538)
PubChem (134746152)
PubChem (154573294)
PubChem (140529801)
PubChem (171123158)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains29
Total formula weight651033.5
Non-Polymers*Number of molecules417
Total formula weight324319.6
All*Total formula weight975353.1
*Water molecules are not included.

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PDB entries from 2026-04-01

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