1W5C

Photosystem II from Thermosynechococcus elongatus

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, G (A, G)	PHOTOSYSTEM Q(B) PROTEIN 1	polymer	360	39762.3	2	UniProt (P0A444) Pfam (PF00124)	THERMOSYNECHOCOCCUS ELONGATUS	PHOTOSYSTEM II PROTEIN D1
2	B, H (B, H)	PHOTOSYSTEM II CORE LIGHT HARVESTING PROTEIN	polymer	510	56656.5	2	UniProt (Q8DIQ1) Pfam (PF00421)	THERMOSYNECHOCOCCUS ELONGATUS	PSII SUBUNIT PSBB
3	C, I (C, I)	PHOTOSYSTEM II CP43 PROTEIN	polymer	473	51666.1	2	UniProt (Q8DIF8) Pfam (PF00421)	THERMOSYNECHOCOCCUS ELONGATUS	PSII SUBUNIT PSBC
4	D, J (D, J)	PHOTOSYSTEM II REACTION CENTER D2 PROTEIN	polymer	352	39388.2	2	UniProt (Q8CM25) Pfam (PF00124)	THERMOSYNECHOCOCCUS ELONGATUS	PSII SUBUNIT PSBD
5	E, K (E, K)	CYTOCHROME B559 ALPHA SUBUNIT	polymer	84	9580.8	2	UniProt (P12238) Pfam (PF00283) Pfam (PF00284) UniProt (by SIFTS) (Q8DIP0)	THERMOSYNECHOCOCCUS ELONGATUS	PSII SUBUNIT PSBE, PSII REACTION CENTER SUBUNIT V
6	F, L (F, L)	CYTOCHROME B559 BETA SUBUNIT	polymer	44	4936.7	2	UniProt (P12239) Pfam (PF00283) UniProt (by SIFTS) (Q8DIN9)	THERMOSYNECHOCOCCUS ELONGATUS	PSII SUBUNIT PSBF, PSII REACTION CENTER SUBUNIT VI
7	M, N (O, P)	PHOTOSYSTEM II MANGANESE-STABILIZING POLYPEPTIDE	polymer	179	15251.8	2		THERMOSYNECHOCOCCUS ELONGATUS	PSII SUBUNIT PSBO, MSP
8	O, Q (S, U)	PHOTOSYSTEM II 12 KDA EXTRINSIC PROTEIN	polymer	100	8528.5	2		THERMOSYNECHOCOCCUS ELONGATUS	PSII SUBUNIT PSBU, PS II COMPLEX 12KDA EXTRINSIC PROTEIN, PSII-U
9	P, R (T, V)	CYTOCHROME C-550	polymer	163	18046.9	2	UniProt (P56150) Pfam (PF14495) UniProt (by SIFTS) (P0A386)	THERMOSYNECHOCOCCUS ELONGATUS	PSII SUBUNIT PSBV, CYTOCHROME C550, LOW POTENTIAL CYTOCHROME C
10	S, T (X, Y)	UNASSIGNED SUBUNITS	polymer	359	30570.6	2		THERMOSYNECHOCOCCUS ELONGATUS
11	AB, AC, AD, BB, BC... (C, H, J, B, D...)	CHLOROPHYLL A	non-polymer		893.5	70	Chemie (CLA)
12	BD, IB, QB, X (J, D, G, A)	PHEOPHYTIN A	non-polymer		871.2	4	Chemie (PHO)
13	AA, BA, DA, SB, TB... (A, G)	MANGANESE (II) ION	non-polymer		54.9	8	Chemie (MN) PubChem (27854)
14	CA, VB (A, G)	FE (II) ION	non-polymer		55.8	2	Chemie (FE2) PubChem (27284)
15	DD, KB (J, 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	2	Chemie (PL9) PubChem (20286) PubChem (5375177) PubChem (6323474) PubChem (6325820) PubChem (6433402) PubChem (23304240) PubChem (21881166)
16	ED, LB (L, E)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	2	Chemie (HEM)
17	FD, MB (L, F)	BETA-CAROTENE	non-polymer		536.9	2	Chemie (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)
18	GD, HD (T, V)	HEME C	non-polymer		618.5	2	Chemie (HEC)

Sequence modifications

E, K: 1 - 1 (PDB: 1W5C)
E, K: 2 - 84 (UniProt: P12238)

Contents of the asymmetric unit

Polymers	Number of chains	20
	Total formula weight	548776.7
Non-Polymers*	Number of molecules	92
	Total formula weight	71622.4
All*	Total formula weight	620399.0

*Water molecules are not included.