1S5L

Architecture of the photosynthetic oxygen evolving center

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, T (A, a)	Photosystem Q(B) protein	polymer	344	38265.6	2	UniProt (P0A444) Pfam (PF00124)	Thermosynechococcus elongatus	32 kDa thylakoid membrane protein, Photosystem II protein D1
2	B, U (B, b)	photosystem II core light harvesting protein	polymer	510	56656.5	2	UniProt (Q8DIQ1) Pfam (PF00421)	Thermosynechococcus elongatus
3	C, V (C, c)	photosystem II CP43 protein	polymer	473	51666.1	2	UniProt (Q8DIF8) Pfam (PF00421)	Thermosynechococcus elongatus
4	D, W (D, d)	photosystem II reaction center D2 protein	polymer	352	39388.2	2	UniProt (Q8CM25) Pfam (PF00124)	Thermosynechococcus elongatus
5	E, X (E, e)	Cytochrome b559 alpha subunit	polymer	84	9580.8	2	UniProt (Q8DIP0) Pfam (PF00283) Pfam (PF00284)	Thermosynechococcus elongatus	PSII reaction center subunit V
6	F, Y (F, f)	Cytochrome b559 beta subunit	polymer	45	5067.9	2	UniProt (Q8DIN9) Pfam (PF00283)	Thermosynechococcus elongatus	PSII reaction center subunit VI
7	G, Z (H, h)	photosystem II PsbH protein	polymer	66	7358.8	2	UniProt (Q8DJ43) Pfam (PF00737)	Thermosynechococcus elongatus
8	AA, H (I, i)	Photosystem II reaction center I protein	polymer	38	4410.2	2	UniProt (Q8DJZ6) Pfam (PF02532)	Thermosynechococcus elongatus	PSII 4.4 kDa protein
9	BA, I (J, j)	Photosystem II reaction center J protein	polymer	40	4105.9	2	UniProt (P59087) Pfam (PF01788)	Thermosynechococcus elongatus
10	CA, J (K, k)	Photosystem II reaction center protein K	polymer	37	4101.9	2	UniProt (Q9F1K9) Pfam (PF02533)	Thermosynechococcus elongatus	PSII-K
11	DA, K (L, l)	Photosystem II reaction center L protein	polymer	37	4299.0	2	UniProt (Q8DIN8) Pfam (PF02419)	Thermosynechococcus elongatus	PSII 5 kDa protein
12	EA, L (M, m)	Photosystem II reaction center M protein	polymer	36	3981.7	2	UniProt (Q8DHA7) Pfam (PF05151)	Thermosynechococcus elongatus	PSII-M
13	FA, M (O, o)	Photosystem II manganese-stabilizing polypeptide	polymer	246	26852.0	2	UniProt (P0A431) Pfam (PF01716)	Thermosynechococcus elongatus	MSP
14	GA, N (T, t)	photosystem II PsbT protein	polymer	32	3878.7	2	UniProt (Q8DIQ0) Pfam (PF01405)	Thermosynechococcus elongatus
15	HA, O (U, u)	Photosystem II 12 kDa extrinsic protein	polymer	134	15031.0	2	UniProt (Q9F1L5) Pfam (PF06514)	Thermosynechococcus elongatus	PS II complex 12 kDa extrinsic protein, PSII-U
16	IA, P (V, v)	Cytochrome c-550	polymer	137	15148.3	2	UniProt (P0A386) Pfam (PF14495)	Thermosynechococcus elongatus	C550, Low potential cytochrome c
17	JA, Q (X, x)	photosystem II PsbX protein	polymer	50	5235.3	2	UniProt (Q9F1R6) Pfam (PF06596)	Thermosynechococcus elongatus
18	KA, R (N, n)	Photosystem II PsbN protein	polymer	37	3166.9	2		Thermosynechococcus elongatus
19	LA, S (Z, z)	Photosystem II reaction center Z protein	polymer	62	6766.2	2	UniProt (Q8DHJ2) Pfam (PF01737)	Thermosynechococcus elongatus	photosystem II PsbZ protein
20	MA, OC (A, a)	FE (III) ION	non-polymer		55.8	2	Chemie (FE) PubChem (29936)
21	EC, EE, NA, PC (D, d, A, a)	BICARBONATE ION	non-polymer		61.0	4	Chemie (BCT) PubChem (769)
22	OA, QC (A, a)	OXYGEN EVOLVING SYSTEM	non-polymer		323.8	2	Chemie (OEC)
23	AB, AC, AD, AE, BB... (B, C, b, c, D...)	CHLOROPHYLL A	non-polymer		893.5	72	Chemie (CLA)
24	GC, HE, SA, TC (D, d, A, a)	PHEOPHYTIN A	non-polymer		871.2	4	Chemie (PHO)
25	IC, JE, UA, VC (D, d, A, a)	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) PubChem (20286) PubChem (23304240) PubChem (21881166) PubChem (5375177) PubChem (6323474) PubChem (6325820) PubChem (6433402)
26	KB, KE (B, d)	DODECYL-BETA-D-MALTOSIDE	non-polymer		510.6	2	Chemie (LMT)
27	CC, CE, DC, DE, KC... (C, c, F, J, d...)	BETA-CAROTENE	non-polymer		536.9	14	Chemie (BCR) PubChem (573) PubChem (21672398) PubChem (176490061) PubChem (177696266) PubChem (46783370) PubChem (46846294) PubChem (54603957) PubChem (54612003) PubChem (5315709) PubChem (5353436) PubChem (5356616) PubChem (5927371) PubChem (86765360) PubChem (6477957) PubChem (9828626) PubChem (91827292) PubChem (10256668) PubChem (92863346) PubChem (92863347) PubChem (92863348) PubChem (12305639) PubChem (12305640) PubChem (12305642) PubChem (12305644) PubChem (12305647) PubChem (12305652) PubChem (5280489) PubChem (92863345) PubChem (100990628) PubChem (101525094) PubChem (101525095) PubChem (124919640) PubChem (124919639) PubChem (129651951) PubChem (132274419) PubChem (146673260) PubChem (152743364) PubChem (160505766) PubChem (145925599) PubChem (159562859) PubChem (172654026) PubChem (172878405) PubChem (173398668)
28	JC, ME, NC, PE (E, e, V, v)	HEME C	non-polymer		618.5	4	Chemie (HEC)

Sequence modifications

C, c: 14 - 473 (UniProt: Q8DIF8)

PDB	External Database	Details
Met 1	-	insertion
Lys 2	-	insertion
Thr 3	-	insertion
Leu 4	-	insertion
Ser 5	-	insertion
Ser 6	-	insertion
Gln 7	-	insertion
Lys 8	-	insertion
Arg 9	-	insertion
Tyr 10	-	insertion
Ser 11	-	insertion
Pro 12	-	insertion
Val 13	-	insertion

X, x: 11 - 50 (UniProt: Q9F1R6)

PDB	External Database	Details
Met 1	-	insertion
Ile 2	-	insertion
Gln 3	-	insertion
Ser 4	-	insertion
Ala 5	-	insertion
Ser 6	-	insertion
Ser 7	-	insertion
Leu 8	-	insertion
Leu 9	-	insertion
Leu 10	-	insertion

Contents of the asymmetric unit

Polymers	Number of chains	38
	Total formula weight	609921.8
Non-Polymers*	Number of molecules	108
	Total formula weight	82827.7
All*	Total formula weight	692749.5

*Water molecules are not included.