4YUU

Crystal structure of oxygen-evolving photosystem II from a red alga

This is a non-PDB format compatible entry.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, LB, PA, U (A1, a1, A2, a2)	Photosystem II protein D1	polymer	344	38073.5	4	UniProt (O19895) Pfam (PF00124)	Cyanidium caldarium	PSII D1 protein,Photosystem II Q(B) protein
2	B, MB, QA, V (B1, b1, B2, b2)	Photosystem II CP47 reaction center protein	polymer	509	56618.4	4	UniProt (O19928) Pfam (PF00421)	Cyanidium caldarium	PSII 47 kDa protein,Protein CP-47
3	C, NB, RA, W (C1, c1, C2, c2)	Photosystem II CP43 reaction center protein	polymer	460	50515.6	4	UniProt (Q9TM46) Pfam (PF00421)	Cyanidium caldarium	PSII 43 kDa protein,Protein CP-43
4	D, OB, SA, X (D1, d1, D2, d2)	Photosystem II D2 protein	polymer	351	39341.9	4	UniProt (Q9TM47) Pfam (PF00124)	Cyanidium caldarium	PSII D2 protein,Photosystem Q(A) protein
5	E, PB, TA, Y (E1, e1, E2, e2)	Cytochrome b559 subunit alpha	polymer	84	9534.6	4	UniProt (Q9TM20) Pfam (PF00283) Pfam (PF00284)	Cyanidium caldarium	PSII reaction center subunit V
6	F, QB, UA, Z (F1, f1, F2, f2)	Cytochrome b559 subunit beta	polymer	43	4958.9	4	UniProt (Q9TM21) Pfam (PF00283)	Cyanidium caldarium	PSII reaction center subunit VI
7	AA, G, RB, VA (H1, h1, H2, h2)	Photosystem II reaction center protein H	polymer	67	7499.0	4	UniProt (O19925) Pfam (PF00737)	Cyanidium caldarium	PSII-H
8	BA, H, SB, WA (I1, i1, I2, i2)	Photosystem II reaction center protein I	polymer	38	4472.2	4	UniProt (O19882) Pfam (PF02532)	Cyanidium caldarium	PSII-I,PSII 4.8 kDa protein
9	CA, I, TB, XA (J1, j1, J2, j2)	Photosystem II reaction center protein J	polymer	39	4089.8	4	UniProt (Q9TM23) Pfam (PF01788)	Cyanidium caldarium	PSII-J
10	DA, J, UB, YA (K1, k1, K2, k2)	Photosystem II reaction center protein K	polymer	41	4703.7	4	UniProt (Q9TLR0) Pfam (PF02533)	Cyanidium caldarium	PSII-K
11	EA, K, VB, ZA (L1, l1, L2, l2)	Photosystem II reaction center protein L	polymer	38	4379.1	4	UniProt (Q9TM22) Pfam (PF02419)	Cyanidium caldarium	PSII-L,PSII 5 kDa protein
12	AB, FA, L, WB (M1, m1, M2, m2)	PHOTOSYSTEM II REACTION CENTER PROTEIN M	polymer	108	11755.9	4		Cyanidium caldarium
13	BB, GA, M, XB (O1, o1, O2, o2)	PHOTOSYSTEM II MANGANESE-STABILIZING POLYPEPTIDE, PSBO	polymer	329	35495.5	4		Cyanidium caldarium
14	CB, HA, N, YB (T1, t1, T2, t2)	Photosystem II reaction center protein T	polymer	32	3732.6	4	UniProt (O19927) Pfam (PF01405)	Cyanidium caldarium	PSII-T
15	DB, IA, O, ZB (U1, u1, U2, u2)	Photosystem II 12 kDa extrinsic protein, chloroplastic	polymer	155	16870.4	4	UniProt (Q9ZQS5) Pfam (PF06514)	Cyanidium caldarium	PS II complex 12 kDa extrinsic protein,PSII-U
16	AC, EB, JA, P (V1, v1, V2, v2)	Cytochrome c-550	polymer	155	17240.7	4	UniProt (Q76FB0) Pfam (PF14495)	Cyanidium caldarium	Cytochrome c550
17	BC, FB, KA, Q (Y1, y1, Y2, y2)	Photosystem II reaction center protein Ycf12	polymer	35	4042.9	4	UniProt (Q9TLX0) Pfam (PF05969)	Cyanidium caldarium
18	CC, GB, LA, R (X1, x1, X2, x2)	PHOTOSYSTEM II REACTION CENTER PROTEIN X	polymer	40	4594.4	4		Cyanidium caldarium
19	DC, HB, MA, S (S1, s1, S2, s2)	PEPTIDE CHAIN UNASSIGNED	polymer	46	4302.2	4		Cyanidium caldarium
20	EC, IB, NA, T (W1, w1, W2, w2)	PEPTIDE CHAIN UNASSIGNED	polymer	25	2310.8	4		Cyanidium caldarium
21	JB, OA (q1, Q2)	Extrinsic protein in photosystem II	polymer	218	24063.5	2	UniProt (Q76B86) Pfam (PF05757)	Cyanidium caldarium
22	FC, KB (Z2, z2)	Photosystem II reaction center protein Z	polymer	62	6483.8	2		Cyanidium caldarium
23	AF, AG, AM, BF, CF... (H1, b1, K2, J1, K1...)	BETA-CAROTENE	non-polymer		536.9	38	Chemie (BCR)
24	HC, HJ, IM, MF (A1, A2, a2, a1)	CHLORIDE ION	non-polymer		35.5	4	Chemie (CL)
25	AD, AE, AJ, AK, AN... (B1, C1, A2, B2, b2...)	CHLOROPHYLL A	non-polymer		893.5	140	Chemie (CLA)
26	DJ, MC, NM, SF (A2, A1, a2, a1)	CA-MN4-O5 CLUSTER	non-polymer		339.8	4	Chemie (OEX)
27	AI, EJ, KL, NC, UE... (d1, A2, D2, A1, D1...)	PHEOPHYTIN A	non-polymer		871.2	8	Chemie (PHO)
28	AH, AP, BH, CL, CM... (b1, d2, C2, M2, b2...)	UNKNOWN LIGAND	non-polymer			52	Chemie (UNL)
29	AL, CH, EK, FF, FI... (C2, b1, B2, M1, d1...)	1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE	non-polymer		787.2	25	Chemie (LMG)
30	IJ, QC, TM, UF (A2, A1, a2, a1)	FE (III) ION	non-polymer		55.8	4	Chemie (FE)
31	KJ, SC, WM, XF (A2, A1, a2, a1)	BICARBONATE ION	non-polymer		61.0	4	Chemie (BCT)
32	KE, MD, MI, NO, PG... (C1, B1, i1, c2, b1...)	GLYCEROL	non-polymer		92.1	9	Chemie (GOL)
33	BM, CJ, DF, EI, GL... (L2, A2, L1, d1, D2...)	1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE	non-polymer		723.0	19	Chemie (LHG)
34	DP, HE, IE, JE, JO... (h2, C1, c2, h1, c1...)	DIGALACTOSYL DIACYL GLYCEROL (DGDG)	non-polymer		949.3	14	Chemie (DGD)
35	EF, FP, GF, HF, JF... (L1, i2, M1, T1, C1...)	DODECYL-BETA-D-MALTOSIDE	non-polymer		510.6	14	Chemie (LMT)
36	GI, LL, VE, YO (d1, D2, D1, d2)	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)
37	BN, FL, HK, WE (b2, D2, B2, D1)	1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL	non-polymer		795.1	4	Chemie (SQD)
38	BP, DM, JI, KF, ML... (e2, V2, f1, V1, E2...)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	8	Chemie (HEM)
39	IF, SP (O1, o2)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
40	AQ, BQ, CQ, DQ, VP... (a2, b2, c2, d2, A1...)	water	water		18.0	18	Chemie (HOH)

Sequence modifications

U1, u1, U2, u2: -50 - 104 (UniProt: Q9ZQS5)

PDB	External Database	Details
Met -51	-	initiating methionine

Contents of the asymmetric unit

Polymers	Number of chains	84
	Total formula weight	1359223.9
Non-Polymers*	Number of molecules	353
	Total formula weight	220300.1
All*	Total formula weight	1579524.1

*Water molecules are not included.