5OY0

Structure of synechocystis photosystem I trimer at 2.5A resolution

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, L (A, a)	Photosystem I P700 chlorophyll a apoprotein A1	polymer	751	83036.4	2	UniProt (P29254) Pfam (PF00223)	Synechocystis sp. PCC 6803	PsaA
2	B, X (B, 2)	Photosystem I P700 chlorophyll a apoprotein A2	polymer	731	81369.5	2	UniProt (P29255) Pfam (PF00223)	Synechocystis sp. PCC 6803	PsaB
3	C, Y (C, 3)	Photosystem I iron-sulfur center	polymer	80	8706.1	2	UniProt (P32422) Pfam (PF12838)	Synechocystis sp. PCC 6803	9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC
4	D, O (D, d)	Photosystem I reaction center subunit II	polymer	141	15663.7	2	UniProt (P19569) Pfam (PF02531)	Synechocystis sp. PCC 6803	Photosystem I 16 kDa polypeptide,PSI-D
5	AA, E (E, 5)	Photosystem I reaction center subunit IV	polymer	69	7680.5	2	UniProt (P12975) Pfam (PF02427)	Synechocystis sp. PCC 6803	Photosystem I 8.1 kDa protein,p30 protein
6	BA, F, Q (F, f, 6)	Photosystem I reaction center subunit III	polymer	143	15791.1	3	UniProt (P29256) Pfam (PF02507)	Synechocystis sp. PCC 6803	PSI-F
7	G, R (I, i)	Photosystem I reaction center subunit VIII	polymer	40	4414.1	2	UniProt (Q55330) Pfam (PF00796)	Synechocystis sp. PCC 6803
8	DA, H, S (J, j, 7)	Photosystem I reaction center subunit IX	polymer	40	4535.4	3	UniProt (Q55329) Pfam (PF01701)	Synechocystis sp. PCC 6803
9	I (K)	Photosystem I reaction center subunit PsaK 2	polymer	80	8237.8	1	UniProt (P74564) Pfam (PF01241)	Synechocystis sp. PCC 6803	Photosystem I subunit X 2
10	J, U (L, l)	Photosystem I reaction center subunit XI	polymer	157	16631.8	2	UniProt (P37277) Pfam (PF02605)	Synechocystis sp. PCC 6803	PSI subunit V,PSI-L
11	GA, K, V (M, m, 9)	Photosystem I reaction center subunit XII	polymer	31	3382.1	3	UniProt (P72986) Pfam (PF07465)	Synechocystis sp. PCC 6803	PSI-M
12	M (b)	Photosystem I P700 chlorophyll a apoprotein A2	polymer	729	81167.3	1	UniProt (P29255) Pfam (PF00223)	Synechocystis sp. PCC 6803	PsaB
13	N (c)	Photosystem I iron-sulfur center	polymer	81	8837.3	1	UniProt (P32422) Pfam (PF12838)	Synechocystis sp. PCC 6803	9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC
14	P (e)	Photosystem I reaction center subunit IV	polymer	68	7552.4	1	UniProt (P12975) Pfam (PF02427)	Synechocystis sp. PCC 6803	Photosystem I 8.1 kDa protein,p30 protein
15	T (k)	Photosystem I reaction center subunit PsaK 2	polymer	78	8037.5	1	UniProt (P74564) Pfam (PF01241)	Synechocystis sp. PCC 6803	Photosystem I subunit X 2
16	W (1)	Photosystem I P700 chlorophyll a apoprotein A1	polymer	744	82280.5	1	UniProt (P29254) Pfam (PF00223)	Synechocystis sp. PCC 6803	PsaA
17	Z (4)	Photosystem I reaction center subunit II	polymer	140	15532.6	1	UniProt (P19569) Pfam (PF02531)	Synechocystis sp. PCC 6803	Photosystem I 16 kDa polypeptide,PSI-D
18	CA (h)	Photosystem I reaction center subunit VIII	polymer	38	4228.0	1	UniProt (Q55330) Pfam (PF00796)	Synechocystis sp. PCC 6803
19	EA (8)	Photosystem I reaction center subunit PsaK 2	polymer	79	8124.6	1	UniProt (P74564) Pfam (PF01241)	Synechocystis sp. PCC 6803	Photosystem I subunit X 2
20	FA (0)	Photosystem I reaction center subunit XI	polymer	154	16300.4	1	UniProt (P37277) Pfam (PF02605)	Synechocystis sp. PCC 6803	PSI subunit V,PSI-L
21	AB, AD, AE, AH, AJ... (A, B, a, b, 1...)	CHLOROPHYLL A	non-polymer		893.5	285	Chemie (CLA)
22	DK, HE, LN, SH, UP... (b, B, 1, a, 2...)	PHYLLOQUINONE	non-polymer		450.7	6	Chemie (PQN)
23	AF, BF, HQ, IQ, MN... (C, 3, 1, a, c...)	IRON/SULFUR CLUSTER	non-polymer		351.6	9	Chemie (SF4)
24	AC, AL, AQ, BC, BO... (A, i, 2, 1, j...)	BETA-CAROTENE	non-polymer		536.9	58	Chemie (BCR)
25	AG, AI, CF, CI, CQ... (L, a, F, 2, A...)	1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE	non-polymer		723.0	27	Chemie (LHG)
26	BI, BQ, DI, DQ, EC... (a, 2, A, 0, b...)	1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE	non-polymer		787.2	16	Chemie (LMG)
27	FI, HC, VE, ZE (a, A, B)	ACETATE ION	non-polymer		59.0	4	Chemie (ACT)
28	NQ, TC (h, B)	beta,beta-carotene-4,4'-dione	non-polymer		564.8	2	Chemie (45D)
29	GO, QI, UC (2, b, B)	CHLORIDE ION	non-polymer		35.5	3	Chemie (CL)
30	BL, DG, GK, KE, PI... (i, M, b, B, m...)	beta,beta-caroten-4-one	non-polymer		550.9	7	Chemie (ECH)
31	CG, FR, GF, NK, SE... (L, 0, F, b, B...)	1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL	non-polymer		795.1	7	Chemie (SQD)
32	EQ, JL, PK, SF, TE... (2, l, b, L, B...)	CALCIUM ION	non-polymer		40.1	6	Chemie (CA)
33	QK, UE (b, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
34	DL, FF, KF, QQ (j, F, J, 7)	(1R,2S)-4-{(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-[(4S)-4-hydroxy-2,6,6-trimethylcyclohex-1-en-1-yl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaen-1-yl}-2,5,5-trimethylcyclohex-3-en-1-ol	non-polymer		568.9	4	Chemie (ZEX)
35	BG, GR, HF, SL, XN (L, 0, F, l, 1)	DODECYL-BETA-D-MALTOSIDE	non-polymer		510.6	5	Chemie (LMT)
36	JF (I)	(3'R)-3'-hydroxy-beta,beta-caroten-4-one	non-polymer		566.9	1	Chemie (EQ3)
37	ZF (L)	DIGALACTOSYL DIACYL GLYCEROL (DGDG)	non-polymer		949.3	1	Chemie (DGD)
38	AS, BS, CS, DS, ES... (j, l, m, 1, 2...)	water	water		18.0	889	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	33
	Total formula weight	746428.3
Non-Polymers*	Number of molecules	443
	Total formula weight	341294.5
All*	Total formula weight	1087722.8

*Water molecules are not included.