7RCV

High-resolution structure of photosystem II from the mesophilic cyanobacterium, Synechocystis sp. PCC 6803

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, V (A, a)	Photosystem II protein D1 2	polymer	360	39744.1	2	UniProt (P16033) Pfam (PF00124)	Synechocystis sp. (strain PCC 6803 / Kazusa)	PSII D1 protein 2,Photosystem II Q(B) protein 2
2	B, W (B, b)	Photosystem II CP47 reaction center protein	polymer	507	55954.4	2	UniProt (P05429) Pfam (PF00421)	Synechocystis sp. (strain PCC 6803 / Kazusa)	PSII 47 kDa protein,Protein CP-47
3	C, X (C, c)	Photosystem II CP43 reaction center protein	polymer	460	50344.7	2	UniProt (P09193) Pfam (PF00421)	Synechocystis sp. (strain PCC 6803 / Kazusa)	PSII 43 kDa protein,Protein CP-43
4	D, Y (D, d)	Photosystem II D2 protein	polymer	352	39519.2	2	UniProt (P09192) Pfam (PF00124)	Synechocystis sp. (strain PCC 6803 / Kazusa)	PSII D2 protein,Photosystem Q(A) protein
5	E, Z (E, e)	Cytochrome b559 subunit alpha	polymer	81	9454.6	2	UniProt (P09190) Pfam (PF00283) Pfam (PF00284)	Synechocystis sp. (strain PCC 6803 / Kazusa)	PSII reaction center subunit V
6	AA, F (F, f)	Cytochrome b559 subunit beta	polymer	44	4935.8	2	UniProt (P09191) Pfam (PF00283)	Synechocystis sp. (strain PCC 6803 / Kazusa)	PSII reaction center subunit VI
7	BA, G (H, h)	Photosystem II reaction center protein H	polymer	64	7120.4	2	UniProt (P14835) Pfam (PF00737)	Synechocystis sp. (strain PCC 6803 / Kazusa)	PSII-H,6 kDa phosphoprotein
8	CA, H (I, i)	Photosystem II reaction center protein I	polymer	38	4338.1	2	UniProt (Q54697) Pfam (PF02532)	Synechocystis sp. (strain PCC 6803 / Kazusa)	PSII-I,PSII 4.4 kDa protein
9	DA, I (J, j)	Photosystem II reaction center protein J	polymer	39	3976.7	2	UniProt (P73070) Pfam (PF01788)	Synechocystis sp. (strain PCC 6803 / Kazusa)	PSII-J
10	EA, J (K, k)	Photosystem II reaction center protein K	polymer	45	5114.1	2	UniProt (P15819) Pfam (PF02533)	Synechocystis sp. (strain PCC 6803 / Kazusa)	PSII-K
11	FA, K (L, l)	Photosystem II reaction center protein L	polymer	39	4476.1	2	UniProt (Q55354) Pfam (PF02419)	Synechocystis sp. (strain PCC 6803 / Kazusa)	PSII-L
12	GA, L (M, m)	Photosystem II reaction center protein M	polymer	35	3910.6	2	UniProt (P72701) Pfam (PF05151)	Synechocystis sp. (strain PCC 6803 / Kazusa)	PSII-M
13	HA, M (O, o)	Photosystem II manganese-stabilizing polypeptide	polymer	247	26959.0	2	UniProt (P10549) Pfam (PF01716)	Synechocystis sp. (strain PCC 6803 / Kazusa)	MSP
14	IA, N (Q, q)	Sll1638 protein	polymer	149	16494.9	2	UniProt (P73048) Pfam (PF05757)	Synechocystis sp. (strain PCC 6803 / Kazusa)
15	JA, O (R, r)	Photosystem II protein Y	polymer	39	4205.0	2	UniProt (P73676) Pfam (PF06298)	Synechocystis sp. (strain PCC 6803 / Kazusa)
16	KA, P (T, t)	Photosystem II reaction center protein T	polymer	31	3571.3	2	UniProt (P74787) Pfam (PF01405)	Synechocystis sp. (strain PCC 6803 / Kazusa)	PSII-T
17	LA, Q (U, u)	Photosystem II 12 kDa extrinsic protein	polymer	131	14256.2	2	UniProt (Q55332) Pfam (PF06514)	Synechocystis sp. (strain PCC 6803 / Kazusa)	PS II complex 12 kDa extrinsic protein,PSII-U
18	MA, R (V, v)	Cytochrome c-550	polymer	160	17901.0	2	UniProt (Q55013) Pfam (PF14495)	Synechocystis sp. (strain PCC 6803 / Kazusa)	Cytochrome c549,Cytochrome c550,Low-potential cytochrome c
19	NA, S (X, x)	Photosystem II reaction center X protein	polymer	39	4189.0	2	UniProt (P72575) Pfam (PF06596)	Synechocystis sp. (strain PCC 6803 / Kazusa)
20	OA, T (Y, y)	Photosystem II reaction center protein Ycf12	polymer	39	4144.0	2	UniProt (Q55438) Pfam (PF05969)	Synechocystis sp. (strain PCC 6803 / Kazusa)
21	PA, U (Z, z)	Photosystem II reaction center protein Z	polymer	62	6736.2	2	UniProt (P73528) Pfam (PF01737)	Synechocystis sp. (strain PCC 6803 / Kazusa)	PSII-Z
22	BF, QA (a, A)	CA-MN4-O5 CLUSTER	non-polymer		339.8	2	Chemie (OEX)
23	CF, RA (a, A)	FE (II) ION	non-polymer		55.8	2	Chemie (FE2)
24	DF, EF, SA, TA (a, A)	CHLORIDE ION	non-polymer		35.5	4	Chemie (CL)
25	AG, AH, BG, BH, CG... (b, c, a, D, B...)	CHLOROPHYLL A	non-polymer		893.5	70	Chemie (CLA)
26	HF, ID, SH, WA (a, D, d, A)	PHEOPHYTIN A	non-polymer		871.2	4	Chemie (PHO)
27	AC, BC, ED, GH, IE... (B, C, c, K, z...)	BETA-CAROTENE	non-polymer		536.9	18	Chemie (BCR)
28	AE, CB, CC, DB, GI... (H, A, B, f, K...)	1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL	non-polymer		795.1	14	Chemie (SQD)
29	AB, AD, DC, EB, FD... (A, C, B, c, a...)	1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE	non-polymer		787.2	12	Chemie (LMG)
30	BB, MD, MF, WH (A, D, a, d)	2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,22,26,30,34-HEXATRIACONTANONAENYL-2,5-CYCLOHEXADIENE-1,4-DIONE-2,3-DIMETHYL-5-SOLANESYL-1,4-BENZOQUINONE	non-polymer		749.2	4	Chemie (PL9)
31	AI, BD, BI, CD, CE... (d, C, I, e, x...)	DODECYL-BETA-D-MALTOSIDE	non-polymer		510.6	62	Chemie (LMT)
32	HB, SF (A, a)	BICARBONATE ION	non-polymer		61.0	2	Chemie (BCT)
33	AF, EC, EI, IB, JJ... (Z, B, e, A, z...)	1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE	non-polymer		723.0	14	Chemie (LHG)
34	BE, HH, IH, JH, LI... (H, c, h, C)	DIGALACTOSYL DIACYL GLYCEROL (DGDG)	non-polymer		949.3	8	Chemie (DGD)
35	BJ, HI, SE, XD (v, f, V, F)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	4	Chemie (HEM)
36	AJ, CJ, JE, RE, TE... (u, v, K, U, V...)	CALCIUM ION	non-polymer		40.1	6	Chemie (CA)
37	EJ, VE (x, X)	(3R)-beta,beta-caroten-3-ol	non-polymer		552.9	2	Chemie (RRX)
38	AK, BK, CK, DK, EK... (V, X, a, b, c...)	water	water		18.0	1236	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	42
	Total formula weight	654691.0
Non-Polymers*	Number of molecules	228
	Total formula weight	153508.5
All*	Total formula weight	808199.6

*Water molecules are not included.