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, a	Photosystem I P700 chlorophyll a apoprotein A1	polymer	751	83036.4	2	UniProt (P29254) Pfam (PF00223) In PDB	Synechocystis sp. PCC 6803	PsaA
2	B, 2	Photosystem I P700 chlorophyll a apoprotein A2	polymer	731	81369.5	2	UniProt (P29255) Pfam (PF00223) In PDB	Synechocystis sp. PCC 6803	PsaB
3	C, 3	Photosystem I iron-sulfur center	polymer	80	8706.1	2	UniProt (P32422) Pfam (PF12838) In PDB	Synechocystis sp. PCC 6803	9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC
4	D, d	Photosystem I reaction center subunit II	polymer	141	15663.7	2	UniProt (P19569) Pfam (PF02531) In PDB	Synechocystis sp. PCC 6803	Photosystem I 16 kDa polypeptide,PSI-D
5	E, 5	Photosystem I reaction center subunit IV	polymer	69	7680.5	2	UniProt (P12975) Pfam (PF02427) In PDB	Synechocystis sp. PCC 6803	Photosystem I 8.1 kDa protein,p30 protein
6	F, f, 6	Photosystem I reaction center subunit III	polymer	143	15791.1	3	UniProt (P29256) Pfam (PF02507) In PDB	Synechocystis sp. PCC 6803	PSI-F
7	I, i	Photosystem I reaction center subunit VIII	polymer	40	4414.1	2	UniProt (Q55330) Pfam (PF00796) In PDB	Synechocystis sp. PCC 6803
8	J, j, 7	Photosystem I reaction center subunit IX	polymer	40	4535.4	3	UniProt (Q55329) Pfam (PF01701) In PDB	Synechocystis sp. PCC 6803
9	K	Photosystem I reaction center subunit PsaK 2	polymer	80	8237.8	1	UniProt (P74564) Pfam (PF01241) In PDB	Synechocystis sp. PCC 6803	Photosystem I subunit X 2
10	L, l	Photosystem I reaction center subunit XI	polymer	157	16631.8	2	UniProt (P37277) Pfam (PF02605) In PDB	Synechocystis sp. PCC 6803	PSI subunit V,PSI-L
11	M, m, 9	Photosystem I reaction center subunit XII	polymer	31	3382.1	3	UniProt (P72986) Pfam (PF07465) In PDB	Synechocystis sp. PCC 6803	PSI-M
12	b	Photosystem I P700 chlorophyll a apoprotein A2	polymer	729	81167.3	1	UniProt (P29255) Pfam (PF00223) In PDB	Synechocystis sp. PCC 6803	PsaB
13	c	Photosystem I iron-sulfur center	polymer	81	8837.3	1	UniProt (P32422) Pfam (PF12838) In PDB	Synechocystis sp. PCC 6803	9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC
14	e	Photosystem I reaction center subunit IV	polymer	68	7552.4	1	UniProt (P12975) Pfam (PF02427) In PDB	Synechocystis sp. PCC 6803	Photosystem I 8.1 kDa protein,p30 protein
15	k	Photosystem I reaction center subunit PsaK 2	polymer	78	8037.5	1	UniProt (P74564) Pfam (PF01241) In PDB	Synechocystis sp. PCC 6803	Photosystem I subunit X 2
16	1	Photosystem I P700 chlorophyll a apoprotein A1	polymer	744	82280.5	1	UniProt (P29254) Pfam (PF00223) In PDB	Synechocystis sp. PCC 6803	PsaA
17	4	Photosystem I reaction center subunit II	polymer	140	15532.6	1	UniProt (P19569) Pfam (PF02531) In PDB	Synechocystis sp. PCC 6803	Photosystem I 16 kDa polypeptide,PSI-D
18	h	Photosystem I reaction center subunit VIII	polymer	38	4228.0	1	UniProt (Q55330) Pfam (PF00796) In PDB	Synechocystis sp. PCC 6803
19	8	Photosystem I reaction center subunit PsaK 2	polymer	79	8124.6	1	UniProt (P74564) Pfam (PF01241) In PDB	Synechocystis sp. PCC 6803	Photosystem I subunit X 2
20	0	Photosystem I reaction center subunit XI	polymer	154	16300.4	1	UniProt (P37277) Pfam (PF02605) In PDB	Synechocystis sp. PCC 6803	PSI subunit V,PSI-L
21	A, B, a, b, 1...	CHLOROPHYLL A	non-polymer		893.5	285	Chemie (CLA)
22	b, B, 1, a, 2...	PHYLLOQUINONE	non-polymer		450.7	6	Chemie (PQN)
23	C, 3, 1, a, c...	IRON/SULFUR CLUSTER	non-polymer		351.6	9	Chemie (SF4)
24	A, i, 2, 1, j...	BETA-CAROTENE	non-polymer		536.9	58	Chemie (BCR)
25	L, a, F, 2, A...	1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE	non-polymer		723.0	27	Chemie (LHG)
26	a, 2, A, 0, b...	1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE	non-polymer		787.2	16	Chemie (LMG)
27	a, A, B	ACETATE ION	non-polymer		59.0	4	Chemie (ACT)
28	h, B	beta,beta-carotene-4,4'-dione	non-polymer		564.8	2	Chemie (45D)
29	2, b, B	CHLORIDE ION	non-polymer		35.5	3	Chemie (CL)
30	i, M, b, B, m...	beta,beta-caroten-4-one	non-polymer		550.9	7	Chemie (ECH)
31	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	2, l, b, L, B...	CALCIUM ION	non-polymer		40.1	6	Chemie (CA)
33	b, B	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
34	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	L, 0, F, l, 1	DODECYL-BETA-D-MALTOSIDE	non-polymer		510.6	5	Chemie (LMT)
36	I	(3'R)-3'-hydroxy-beta,beta-caroten-4-one	non-polymer		566.9	1	Chemie (EQ3)
37	L	DIGALACTOSYL DIACYL GLYCEROL (DGDG)	non-polymer		949.3	1	Chemie (DGD)
38		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.