3A0H

Crystal structure of I-substituted Photosystem II complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, U (A, a)	Photosystem Q(B) protein	polymer	344	38295.7	2	UniProt (P51765)	Thermosynechococcus vulcanus (Synechococcus vulcanus)	32 kDa thylakoid membrane protein, Photosystem II protein D1
2	B, V (B, b)	Photosystem II core light harvesting protein	polymer	488	54042.5	2	UniProt (by SIFTS) (D0VWR1)	Thermosynechococcus vulcanus (Synechococcus vulcanus)
3	C, W (C, c)	Photosystem II CP43 protein	polymer	447	48763.8	2	UniProt (by SIFTS) (D0VWR7)	Thermosynechococcus vulcanus (Synechococcus vulcanus)
4	D, X (D, d)	Photosystem II D2 protein	polymer	340	38118.6	2	UniProt (by SIFTS) (D0VWR8)	Thermosynechococcus vulcanus (Synechococcus vulcanus)
5	E, Y (E, e)	Cytochrome b559 subunit alpha	polymer	83	9477.7	2	UniProt (P12238)	Thermosynechococcus vulcanus (Synechococcus vulcanus)	PSII reaction center subunit V
6	F, Z (F, f)	Cytochrome b559 subunit beta	polymer	44	4936.7	2	UniProt (P12239)	Thermosynechococcus vulcanus (Synechococcus vulcanus)	PSII reaction center subunit VI
7	AA, G (H, h)	Photosystem II reaction center protein H	polymer	64	7170.5	2	UniProt (by SIFTS) (P19052)	Thermosynechococcus vulcanus (Synechococcus vulcanus)
8	BA, H (I, i)	Photosystem II reaction center protein I	polymer	35	4052.9	2	UniProt (by SIFTS) (P12240)	Thermosynechococcus vulcanus (Synechococcus vulcanus)
9	CA, I (J, j)	Photosystem II reaction center protein J	polymer	40	4105.9	2	UniProt (Q7DGD4)	Thermosynechococcus vulcanus (Synechococcus vulcanus)	PSII-J
10	DA, J (K, k)	Photosystem II reaction center protein K	polymer	36	3891.7	2	UniProt (by SIFTS) (P19054)	Thermosynechococcus vulcanus (Synechococcus vulcanus)
11	EA, K (L, l)	Photosystem II reaction center protein L	polymer	37	4299.0	2	UniProt (P12241)	Thermosynechococcus vulcanus (Synechococcus vulcanus)	PSII-L, PSII 5 kDa protein
12	FA, L (M, m)	Photosystem II reaction center protein M	polymer	36	4015.7	2	UniProt (by SIFTS) (P12312)	Thermosynechococcus vulcanus (Synechococcus vulcanus)
13	GA, M (O, o)	Photosystem II manganese-stabilizing polypeptide	polymer	242	26452.5	2	UniProt (by SIFTS) (D0VWR2)	Thermosynechococcus vulcanus (Synechococcus vulcanus)
14	HA, N (T, t)	Photosystem II reaction center protein T	polymer	30	3620.4	2	UniProt (P12313)	Thermosynechococcus vulcanus (Synechococcus vulcanus)	PSII-T, PSII-Tc
15	IA, O (U, u)	Photosystem II 12 kDa extrinsic protein	polymer	98	11095.4	2	UniProt (by SIFTS) (P56152)	Thermosynechococcus vulcanus (Synechococcus vulcanus)
16	JA, P (V, v)	Cytochrome c-550	polymer	137	15148.3	2	UniProt (P0A387)	Thermosynechococcus vulcanus (Synechococcus vulcanus)	Cytochrome c550, Low-potential cytochrome c
17	KA, Q (X, x)	Photosystem II reaction center protein X	polymer	34	3477.2	2	UniProt (by SIFTS) (D0VWR4)	Thermosynechococcus vulcanus (Synechococcus vulcanus)
18	LA, R (Y, y)	Photosystem II reaction center protein ycf12	polymer	28	2999.8	2	UniProt (by SIFTS) (D0VWR3)	Thermosynechococcus vulcanus (Synechococcus vulcanus)
19	MA, S (N, n)	Photosystem II reaction center protein Y	polymer	23	1975.4	2		Thermosynechococcus vulcanus (Synechococcus vulcanus)
20	NA, T (Z, z)	Photosystem II reaction center protein Z	polymer	62	6766.2	2	UniProt (by SIFTS) (D0VWR5)	Thermosynechococcus vulcanus (Synechococcus vulcanus)
21	FD, OA (a, A)	OXYGEN EVOLVING SYSTEM	non-polymer		323.8	2	Chemie (OEC)
22	AB, AC, AE, BB, BC... (B, C, b, d, a...)	CHLOROPHYLL A	non-polymer		893.5	70	Chemie (CLA)
23	AF, KD, LC, SA (d, a, D, A)	PHEOPHYTIN A	non-polymer		871.2	4	Chemie (PHO)
24	EF, LD, PC, TA (d, a, D, A)	5-[(2E,6E,10E,14E,18E,22E)-3,7,11,15,19,23,27-HEPTAMETHYLOCTACOSA-2,6,10,14,18,22,26-HEPTAENYL]-2,3-DIMETHYLBENZO-1,4-QUINONE	non-polymer		613.0	4	Chemie (PQ9) PubChem (5459388)
25	BD, CD, EC, ED, EE... (T, C, Z, b, d...)	BETA-CAROTENE	non-polymer		536.9	22	Chemie (BCR) PubChem (21672398) PubChem (46783370) PubChem (46846294) PubChem (176490061) PubChem (177696266) PubChem (54603957) PubChem (54612003) PubChem (5280489) PubChem (92863345) PubChem (124919640) PubChem (573) PubChem (86765360) PubChem (91827292) PubChem (146673260) PubChem (152743364) PubChem (160505766) PubChem (92863346) PubChem (92863347) PubChem (92863348) PubChem (100990628) PubChem (101525094) PubChem (101525095) PubChem (5315709) PubChem (5353436) PubChem (5356616) PubChem (124919639) PubChem (5927371) PubChem (6477957) PubChem (129651951) PubChem (132274419) PubChem (9828626) PubChem (10256668) PubChem (12305639) PubChem (12305640) PubChem (12305642) PubChem (12305644) PubChem (12305647) PubChem (12305652) PubChem (145925599) PubChem (159562859) PubChem (172654026) PubChem (172878405) PubChem (173398668)
26	ND, VA (a, A)	1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE	non-polymer		723.0	2	Chemie (LHG) PubChem (46936292) PubChem (65144) PubChem (73416066) PubChem (13305396) PubChem (446440) PubChem (9547104) PubChem (11846227) PubChem (138986743)
27	AD, BF, GE, IF, MC... (T, d, b, D, a...)	IODIDE ION	non-polymer		126.9	10	Chemie (IOD) PubChem (30165)
28	GF, HE, HF, PF, QB... (d, b, l, B, D...)	(1S)-2-(ALPHA-L-ALLOPYRANOSYLOXY)-1-[(TRIDECANOYLOXY)METHYL]ETHYL PALMITATE	non-polymer		689.0	8	Chemie (MGE) PubChem (45490018) PubChem (75117308) PubChem (5327038) PubChem (134729617)
29	GC, HC, IC, IE, RB... (C, b, B, c)	DIGALACTOSYL DIACYL GLYCEROL (DGDG)	non-polymer		949.3	8	Chemie (DGD) PubChem (24865462) PubChem (50904896) PubChem (24865463) PubChem (46936671) PubChem (53480668) PubChem (447899) PubChem (4629344) PubChem (15991538) PubChem (154573294) PubChem (448441) PubChem (171123158) PubChem (134746152) PubChem (140529801)
30	GD, JC (a, D)	FE (II) ION	non-polymer		55.8	2	Chemie (FE2) PubChem (27284)
31	DD, JF, SF, UC (V, f, v, F)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	4	Chemie (HEM)

Contents of the asymmetric unit

Polymers	Number of chains	40
	Total formula weight	585411.6
Non-Polymers*	Number of molecules	136
	Total formula weight	99338.5
All*	Total formula weight	684750.1

*Water molecules are not included.