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7A4P

Structure of small high-light grown Chlorella ohadii photosystem I

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)		Photosystem I P700 chlorophyll a apoprotein A1polymer74182125.91UniProt (W8SY74)Chlorella ohadii (Freshwater green alga)PSI-A,PsaA
2B
(B)		Photosystem I P700 chlorophyll a apoprotein A2polymer73181544.61UniProt (W8SUA3)Chlorella ohadii (Freshwater green alga)PSI-B,PsaB
3C
(C)		Photosystem I iron-sulfur centerpolymer808723.01UniProt (W8SKM2)Chlorella ohadii (Freshwater green alga)9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC
4D
(D)		Photosystem I reaction center subunit chloroplasticpolymer14315958.21UniProt (A0A2P6TKF8)
Pfam (PF02531)		Chlorella ohadii (Freshwater green alga)
5E
(E)		Photosystem I reaction center subunit IVpolymer647194.11UniProt (A0A2P6U4S6)
Pfam (PF02427)		Chlorella ohadii (Freshwater green alga)
6F
(F)		PSI-Fpolymer16518069.91UniProt (A0A2P6TPV8)
Pfam (PF02507)		Chlorella ohadii (Freshwater green alga)
7G
(G)		Photosystem I reaction center subunit chloroplasticpolymer9910326.91UniProt (A0A2P6TZI8)
Pfam (PF01241)		Chlorella ohadii (Freshwater green alga)
8H
(J)		Photosystem I reaction center subunit IXpolymer414475.31UniProt (W8SUD1)Chlorella ohadii (Freshwater green alga)PSI-J
9I
(K)		PSI-Kpolymer868725.11UniProt (A0A2P6U0J1)
Pfam (PF01241)		Chlorella ohadii (Freshwater green alga)Photosystem I subunit X
10J
(M)		Photosystem I reaction center subunit XIIpolymer313376.11UniProt (W8SU98)Chlorella ohadii (Freshwater green alga)PSI-M
11K
(I)		Photosystem I reaction center subunit VIIIpolymer353856.71UniProt (W8SIP9)Chlorella ohadii (Freshwater green alga)PSI-I
12L
(L)		PSI subunit Vpolymer15716501.01UniProt (A0A2P6TC44)
Pfam (PF02605)		Chlorella ohadii (Freshwater green alga)
13M, N
(1, a)		Chlorophyll a-b binding protein, chloroplasticpolymer19219933.62UniProt (A0A2P6TT36)
Pfam (PF00504)		Chlorella ohadii (Freshwater green alga)
14O
(3)		Glutathione reductasepolymer24126163.91UniProt (A0A2P6TMT4)
Pfam (PF00504)		Chlorella ohadii (Freshwater green alga)
15P
(4)		Chlorophyll a-b binding protein, chloroplasticpolymer20723011.01UniProt (A0A2P6TQ14)
Pfam (PF00504)		Chlorella ohadii (Freshwater green alga)
16Q
(5)		Chlorophyll a-b binding protein, chloroplasticpolymer22725111.71UniProt (A0A2P6U4K1)
Pfam (PF00504)		Chlorella ohadii (Freshwater green alga)
17R
(6)		Chlorophyll a-b binding protein, chloroplasticpolymer23125316.21UniProt (A0A2P6TPR7)
Pfam (PF00504)		Chlorella ohadii (Freshwater green alga)
18S
(7)		Chlorophyll a-b binding protein, chloroplasticpolymer22124016.21UniProt (A0A2P6TS63)
Pfam (PF00504)		Chlorella ohadii (Freshwater green alga)
19T
(8)		Chlorophyll a-b binding protein, chloroplasticpolymer21923612.71UniProt (A0A2P6TZ50)
Pfam (PF00504)		Chlorella ohadii (Freshwater green alga)
20U
(A)		CHLOROPHYLL A ISOMERnon-polymer893.51Chemie (CL0)
21AA, AB, AC, AD, AE...
(A, B, K, 5, 6...)		CHLOROPHYLL Anon-polymer893.5200Chemie (CLA)
22KB, LD
(A, B)		PHYLLOQUINONEnon-polymer450.72Chemie (PQN)
PubChem (4812)
PubChem (5315258)
PubChem (7048753)
PubChem (7048755)
PubChem (9846607)
PubChem (21896458)
PubChem (5280483)
PubChem (5284607)
PubChem (7048754)
PubChem (57138572)
PubChem (133612476)
PubChem (92436622)
PubChem (93233163)
PubChem (93971968)
PubChem (162999945)
23AI, BF, EF, EH, FF...
(4, K, I, 3, L...)		BETA-CAROTENEnon-polymer536.931Chemie (BCR)
PubChem (573)
PubChem (5315709)
PubChem (5353436)
PubChem (5356616)
PubChem (5927371)
PubChem (6477957)
PubChem (9828626)
PubChem (10256668)
PubChem (12305639)
PubChem (12305640)
PubChem (12305642)
PubChem (12305644)
PubChem (12305647)
PubChem (12305652)
PubChem (21672398)
PubChem (176490061)
PubChem (177696266)
PubChem (46783370)
PubChem (46846294)
PubChem (5280489)
PubChem (92863345)
PubChem (54603957)
PubChem (54612003)
PubChem (124919640)
PubChem (146673260)
PubChem (152743364)
PubChem (160505766)
PubChem (86765360)
PubChem (91827292)
PubChem (92863346)
PubChem (92863347)
PubChem (92863348)
PubChem (100990628)
PubChem (101525094)
PubChem (101525095)
PubChem (124919639)
PubChem (129651951)
PubChem (132274419)
PubChem (145925599)
PubChem (159562859)
PubChem (172654026)
PubChem (172878405)
PubChem (173398668)
24BE, CG, DG, JE, LE...
(B, 1, F, 7, 8...)		1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLEnon-polymer723.020Chemie (LHG)
PubChem (446440)
PubChem (9547104)
PubChem (11846227)
PubChem (46936292)
PubChem (65144)
PubChem (13305396)
PubChem (73416066)
PubChem (138986743)
25SB, SD, UL
(A, B, 8)		DIGALACTOSYL DIACYL GLYCEROL (DGDG)non-polymer949.33Chemie (DGD)
PubChem (448441)
PubChem (24865462)
PubChem (24865463)
PubChem (46936671)
PubChem (50904896)
PubChem (447899)
PubChem (4629344)
PubChem (53480668)
PubChem (15991538)
PubChem (154573294)
PubChem (171123158)
PubChem (134746152)
PubChem (140529801)
26TB
(A)		1,2-DIACYL-GLYCEROL-3-SN-PHOSPHATEnon-polymer705.01Chemie (3PH)
PubChem (447938)
PubChem (16211043)
PubChem (86641)
27EE, FE, UB
(C, A)		IRON/SULFUR CLUSTERnon-polymer351.63Chemie (SF4)
28LF, YB, YD
(1, A, B)		DODECYL-BETA-D-MALTOSIDEnon-polymer510.63Chemie (LMT)
29SK, WD
(6, B)		1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINEnon-polymer787.12Chemie (PCW)
30BH, SM, UI, UK, ZD
(3, 8, 5, 7, B)		PHOSPHATIDYLETHANOLAMINEnon-polymer734.05Chemie (PTY)
PubChem (446872)
PubChem (3330137)
31CE, CF, KE
(B, K, F)		[2-((1-OXODODECANOXY-(2-HYDROXY-3-PROPANYL))-PHOSPHONATE-OXY)-ETHYL]-TRIMETHYLAMMONIUMnon-polymer440.53Chemie (LAP)
PubChem (460606)
PubChem (3045269)
PubChem (46936195)
32NE, PL
(G, 7)		1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROLnon-polymer795.12Chemie (SQD)
PubChem (5459390)
PubChem (9810997)
PubChem (9918745)
PubChem (10219110)
PubChem (10373133)
PubChem (14463145)
PubChem (25147486)
PubChem (25235342)
PubChem (42607399)
PubChem (159321)
PubChem (481096)
PubChem (134765349)
PubChem (102201395)
33RE
(G)		ERGOSTEROLnon-polymer396.61Chemie (ERG)
PubChem (5996)
PubChem (247705)
PubChem (439550)
PubChem (444679)
PubChem (481705)
PubChem (638020)
PubChem (5317174)
PubChem (5319551)
PubChem (5351178)
PubChem (5351845)
PubChem (71122427)
PubChem (6428692)
PubChem (6432563)
PubChem (6433143)
PubChem (6436872)
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PubChem (6713013)
PubChem (6713713)
PubChem (7067891)
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PubChem (7067893)
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PubChem (9843722)
PubChem (9908757)
PubChem (9930654)
PubChem (9940587)
PubChem (10982177)
PubChem (11014783)
PubChem (11269488)
PubChem (12304304)
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PubChem (16394547)
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PubChem (21139765)
PubChem (21775588)
PubChem (22298561)
PubChem (40469696)
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PubChem (40469699)
PubChem (40826225)
PubChem (40826226)
PubChem (45044427)
PubChem (177562045)
PubChem (1742286)
PubChem (46936866)
PubChem (69473585)
PubChem (101703)
PubChem (643780)
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PubChem (122700025)
PubChem (124099377)
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PubChem (10250169)
PubChem (57182145)
PubChem (57508500)
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PubChem (142431933)
PubChem (58992544)
PubChem (163000929)
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PubChem (163000938)
PubChem (164664366)
PubChem (59373909)
PubChem (171157824)
PubChem (59738932)
PubChem (60113883)
PubChem (66824684)
PubChem (69866435)
PubChem (70544775)
PubChem (71073084)
PubChem (86575818)
PubChem (90690511)
PubChem (90690567)
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PubChem (91345764)
PubChem (91375317)
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PubChem (102514697)
PubChem (117749797)
PubChem (121358225)
PubChem (123930382)
PubChem (124303809)
PubChem (124351226)
PubChem (124427258)
PubChem (124488022)
PubChem (124897130)
PubChem (124897142)
PubChem (124897144)
PubChem (124897147)
PubChem (124918943)
PubChem (124918944)
PubChem (124928616)
PubChem (124928617)
PubChem (125033743)
PubChem (125033744)
PubChem (125126218)
PubChem (125126219)
PubChem (126626805)
PubChem (126727349)
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PubChem (154496532)
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PubChem (163000939)
PubChem (163524814)
PubChem (171154016)
PubChem (175800618)
34UE
(J)		(3R)-beta,beta-caroten-3-olnon-polymer552.91Chemie (RRX)
PubChem (92111)
PubChem (182237)
PubChem (5316150)
PubChem (6384256)
PubChem (20056910)
PubChem (177443103)
PubChem (44554791)
PubChem (91496173)
PubChem (5281235)
PubChem (124934401)
PubChem (101088204)
PubChem (102330248)
PubChem (102330249)
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PubChem (124934402)
PubChem (124934403)
PubChem (124934404)
PubChem (152743353)
PubChem (163007083)
PubChem (163007084)
PubChem (168433814)
PubChem (169423484)
35VE, ZG
(J, a)		(2S)-3-{[(R)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-2-hydroxypropyl hexadecanoatenon-polymer453.62Chemie (LPX)
PubChem (89229)
PubChem (9547069)
PubChem (25229539)
36DF
(M)		beta,beta-caroten-4-onenon-polymer550.91Chemie (ECH)
37CH, DH, GG, HG, IG...
(3, a, 1, 5, 7...)		(3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOLnon-polymer568.918Chemie (LUT)
PubChem (181579)
PubChem (441664)
PubChem (6325550)
PubChem (6433159)
PubChem (10210008)
PubChem (10257404)
PubChem (12359017)
PubChem (16061195)
PubChem (16061196)
PubChem (16061204)
PubChem (24728610)
PubChem (25202165)
PubChem (44481270)
PubChem (177565809)
PubChem (177696530)
PubChem (46835684)
PubChem (25245095)
PubChem (53477760)
PubChem (57922343)
PubChem (31380)
PubChem (448437)
PubChem (89305995)
PubChem (91007743)
PubChem (91330154)
PubChem (91467158)
PubChem (5281243)
PubChem (93535598)
PubChem (94424894)
PubChem (100935514)
PubChem (101351907)
PubChem (101351906)
PubChem (53477744)
PubChem (53477774)
PubChem (5368396)
PubChem (131801656)
PubChem (12085680)
PubChem (139335388)
PubChem (162679657)
PubChem (162945700)
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PubChem (175679236)
PubChem (175679086)
PubChem (90820720)
PubChem (91240120)
PubChem (91519940)
PubChem (93971688)
PubChem (93971689)
PubChem (93971690)
PubChem (93971691)
PubChem (94424892)
PubChem (94424893)
PubChem (101351905)
PubChem (101351908)
PubChem (101351909)
PubChem (101351910)
PubChem (101727094)
PubChem (102093134)
PubChem (102514741)
PubChem (125183271)
PubChem (125183272)
PubChem (125183273)
PubChem (125183613)
PubChem (125183614)
PubChem (126970006)
PubChem (131801655)
PubChem (139595700)
PubChem (152743345)
PubChem (156583347)
PubChem (159139983)
PubChem (162945701)
PubChem (162945702)
PubChem (162945703)
PubChem (162945704)
PubChem (162945705)
PubChem (162945706)
PubChem (162945707)
PubChem (162945709)
PubChem (169423521)
PubChem (169954357)
PubChem (172748694)
38AG, CM, FG, II, IK...
(1, 8, 4, 6, 5...)		CHLOROPHYLL Bnon-polymer907.522Chemie (CHL)
39EG, RM
(1, 8)		OLEIC ACIDnon-polymer282.52Chemie (OLA)
PubChem (965)
PubChem (445639)
PubChem (637517)
40HH, JG
(3, a)		(3~{E},5~{E},7~{E})-6-methyl-8-[(6~{R})-2,2,6-trimethylcyclohexyl]octa-3,5,7-trien-2-onenon-polymer260.42Chemie (QTB)
PubChem (176540357)
41AH
(a)		2-(2-azanylethanoylamino)ethanoic acidnon-polymer132.11Chemie (GG0)
PubChem (11163)
42RK, XH
(6, 4)		PALMITIC ACIDnon-polymer256.42Chemie (PLM)
43SJ, SL
(5, 8)		DIACYL GLYCEROLnon-polymer625.02Chemie (DGA)
PubChem (102615)
PubChem (9543705)
PubChem (11285052)
44WJ
(6)		SPHINGOSINEnon-polymer299.51Chemie (SPH)
45WK
(7)		(3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOLnon-polymer600.91Chemie (XAT)
PubChem (179930)
PubChem (448438)
PubChem (5282218)
PubChem (5315242)
PubChem (6384269)
PubChem (6442428)
PubChem (9851662)
PubChem (12358665)
PubChem (12358669)
PubChem (24970201)
PubChem (46936684)
PubChem (51346155)
PubChem (92096)
PubChem (98049827)
PubChem (101341889)
PubChem (101341891)
PubChem (53477762)
PubChem (6852159)
PubChem (126456015)
PubChem (12358664)
PubChem (155293357)
PubChem (162964874)
PubChem (163187351)
PubChem (177696491)
PubChem (98049828)
PubChem (101341888)
PubChem (101341890)
PubChem (101341892)
PubChem (101341893)
PubChem (101341894)
PubChem (101341895)
PubChem (125183415)
PubChem (125183416)
PubChem (125183417)
PubChem (129888894)
PubChem (137331554)
PubChem (152743429)
PubChem (162964869)
PubChem (162964870)
PubChem (162964871)
PubChem (162964872)
PubChem (162964873)
PubChem (162964875)
PubChem (162964876)
PubChem (163186889)
PubChem (169544055)
PubChem (171036315)
PubChem (172817291)
46QL, QM, TL
(7, 8)		Tripalmitoylglycerolnon-polymer807.33Chemie (4RF)
PubChem (11147)
47RL
(7)		(1~{S})-3,5,5-trimethyl-4-[(1~{E},3~{E},5~{E},7~{E},9~{E},11~{E},13~{E},15~{E},17~{E})-3,7,12,16-tetramethyl-18-[(4~{S})-2,6,6-trimethyl-4-oxidanyl-cyclohexen-1-yl]octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]cyclohex-3-en-1-olnon-polymer568.91Chemie (C7Z)
48PM
(8)		O-[(R)-{[(2R)-2,3-bis(octadecanoyloxy)propyl]oxy}(hydroxy)phosphoryl]-L-serinenon-polymer792.11Chemie (P5S)
PubChem (9547075)
PubChem (10417847)
PubChem (9547096)
PubChem (15409341)
PubChem (165429904)
PubChem (125040277)
PubChem (133612130)
Sequence modifications
A: 11 - 751 (UniProt: W8SY74)
PDBExternal DatabaseDetails
Ala 368Ser 368variant
Ile 437Met 437variant
B: 4 - 734 (UniProt: W8SUA3)
PDBExternal DatabaseDetails
Lys 4Thr 3conflict
Leu 5Lys 4conflict
Ala 241Val 240conflict
Ala 402Glu 401conflict
Gln 403Ala 402conflict
D: 188 - 330 (UniProt: A0A2P6TKF8)
PDBExternal DatabaseDetails
Ala 188Val 188variant
Ile 320Val 320variant
E: 35 - 98 (UniProt: A0A2P6U4S6)
PDBExternal DatabaseDetails
Gln 44Thr 44variant
Leu 48Met 48variant
Val 96Glu 96variant
Ala 97Glu 97variant
Ala 98Val 98variant
F: 318 - 482 (UniProt: A0A2P6TPV8)
PDBExternal DatabaseDetails
Leu 346Met 346variant
Asn 348Lys 348variant
Ala 351Glu 351variant
Asp 352Gly 352variant
Lys 360Gln 360variant
Ala 364Asp 364variant
Glu 367Asn 367variant
Ala 430Ser 430variant
Ala 431Ser 431variant
Thr 432Met 432variant
Ala 433Thr 433variant
G: 1228 - 1326 (UniProt: A0A2P6TZI8)
PDBExternal DatabaseDetails
Ala 1229Ser 1229variant
Leu 1272Met 1272variant
Ile 1285Val 1285variant
Ile 1313Leu 1313variant
Ser 1317His 1317variant
Gly 1320Gln 1320variant
Leu 1321Val 1321variant
Asn 1324Val 1324variant
K: 32 - 117 (UniProt: A0A2P6U0J1)
PDBExternal DatabaseDetails
Ala 74Glu 74variant
Leu 103Ile 103variant
Cys 105Val 105variant
Ile 107Val 107variant
Val 108Ile 108variant
Lys 112Arg 112variant
Ser 113Gly 113variant
L: 295 - 451 (UniProt: A0A2P6TC44)
PDBExternal DatabaseDetails
Tyr 350Phe 350conflict
Asp 364Asn 364conflict
-Ala 389deletion
Asp 421Glu 422conflict
Leu 443Ile 444conflict
1, a: 32 - 223 (UniProt: A0A2P6TT36)
PDBExternal DatabaseDetails
Ser 166Leu 166conflict
Lys 167Glu 167conflict
Thr 171Val 171conflict
Thr 194Asn 194conflict
Ala 196Gln 196conflict
Ser 204Ala 204conflict
Met 210Leu 210conflict
3: 247 - 487 (UniProt: A0A2P6TMT4)
PDBExternal DatabaseDetails
Cys 314Gly 314conflict
Ile 329Val 329conflict
Thr 339Ser 339conflict
Lys 359Asn 359conflict
Gly 405Ala 405conflict
Glu 429Ala 429conflict
Thr 484Arg 484conflict
Ile 485Arg 485conflict
Leu 486Arg 486conflict
Lys 487Ala 487conflict
4: 30 - 236 (UniProt: A0A2P6TQ14)
PDBExternal DatabaseDetails
Glu 37Asp 37conflict
Asp 109Asn 109conflict
Asn 112Asp 112conflict
Gly 213Ser 213conflict
Asn 218Asp 218conflict
-Leu 231deletion
Asn 236Arg 237conflict
5: 30 - 256 (UniProt: A0A2P6U4K1)
PDBExternal DatabaseDetails
Lys 32Asp 32conflict
Val 38Ala 38conflict
Ala 40Ser 40conflict
Gly 42Ala 42conflict
Ser 113Gly 113conflict
Ile 127Leu 127conflict
Val 195Ile 195conflict
6: 35 - 265 (UniProt: A0A2P6TPR7)
PDBExternal DatabaseDetails
Cys 83Ala 83conflict
Leu 94Met 94conflict
Ile 196Val 196conflict
Ala 201Gly 201conflict
Gln 250Asn 250conflict
7: 6 - 226 (UniProt: A0A2P6TS63)
PDBExternal DatabaseDetails
Val 6Asp 6conflict
Glu 8Pro 8conflict
Val 17Ala 17conflict
Phe 82Tyr 82conflict
Asp 96Ser 96conflict
Met 107Leu 107conflict
Tyr 154Phe 154conflict
Val 205Ile 205conflict
Ala 209Ser 209conflict
His 218Tyr 218conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains20
Total formula weight447975.7
Non-Polymers*Number of molecules337
Total formula weight266166.6
All*Total formula weight714142.3
*Water molecules are not included.

251801

PDB entries from 2026-04-08

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