3WU2

Crystal structure analysis of Photosystem II complex

Replaces:  3ARC

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	38235.6	2	UniProt (P51765) Pfam (PF00124)	Thermosynechococcus vulcanus	32 kDa thylakoid membrane protein, Photosystem II protein D1
2	B, U (B, b)	Photosystem II CP47 chlorophyll apoprotein	polymer	504	55939.6	2	UniProt (D0VWR1) Pfam (PF00421)	Thermosynechococcus vulcanus	Protein CP-47
3	C, V (C, c)	Photosystem II 44 kDa reaction center protein	polymer	455	49668.8	2	UniProt (D0VWR7) Pfam (PF00421)	Thermosynechococcus vulcanus	PSII 43 kDa protein, Protein CP-43, Protein P6
4	D, W (D, d)	Photosystem II D2 protein	polymer	342	38419.9	2	UniProt (D0VWR8) Pfam (PF00124)	Thermosynechococcus vulcanus	PSII D2 protein, Photosystem Q(A) protein
5	E, X (E, e)	Cytochrome b559 subunit alpha	polymer	83	9449.6	2	UniProt (P12238) Pfam (PF00283) Pfam (PF00284)	Thermosynechococcus vulcanus	PSII reaction center subunit V
6	F, Y (F, f)	Cytochrome b559 subunit beta	polymer	44	4936.7	2	UniProt (P12239) Pfam (PF00283)	Thermosynechococcus vulcanus	PSII reaction center subunit VI
7	G, Z (H, h)	Photosystem II reaction center protein H	polymer	63	7057.3	2	UniProt (P19052) Pfam (PF00737)	Thermosynechococcus vulcanus	PSII-H
8	AA, H (I, i)	Photosystem II reaction center protein I	polymer	38	4438.3	2	UniProt (P12240) Pfam (PF02532)	Thermosynechococcus vulcanus	PSII-I, PSII 4.4 kDa protein
9	BA, I (J, j)	Photosystem II reaction center protein J	polymer	40	4105.9	2	UniProt (Q7DGD4) Pfam (PF01788)	Thermosynechococcus vulcanus	PSII-J
10	CA, J (K, k)	Photosystem II reaction center protein K	polymer	37	4101.9	2	UniProt (P19054) Pfam (PF02533)	Thermosynechococcus vulcanus	PSII-K
11	DA, K (L, l)	Photosystem II reaction center protein L	polymer	37	4299.0	2	UniProt (P12241) Pfam (PF02419)	Thermosynechococcus vulcanus	PSII-L, PSII 5 kDa protein
12	EA, L (M, m)	Photosystem II reaction center protein M	polymer	36	4009.7	2	UniProt (P12312) Pfam (PF05151)	Thermosynechococcus vulcanus	PSII-M
13	FA, M (O, o)	Photosystem II manganese-stabilizing polypeptide	polymer	244	26651.7	2	UniProt (D0VWR2) Pfam (PF01716)	Thermosynechococcus vulcanus	MSP
14	GA, N (T, t)	Photosystem II reaction center protein T	polymer	32	3906.7	2	UniProt (P12313) Pfam (PF01405)	Thermosynechococcus vulcanus	PSII-T, PSII-Tc
15	HA, O (U, u)	Photosystem II 12 kDa extrinsic protein	polymer	104	11656.0	2	UniProt (P56152) Pfam (PF06514)	Thermosynechococcus vulcanus	PS II complex 12 kDa extrinsic protein, PSII-U
16	IA, P (V, v)	Cytochrome c-550	polymer	137	15148.3	2	UniProt (P0A387) Pfam (PF14495)	Thermosynechococcus vulcanus	Cytochrome c550, Low-potential cytochrome c
17	JA, Q (Y, y)	Photosystem II reaction center protein Ycf12	polymer	30	3228.0	2	UniProt (D0VWR3) Pfam (PF05969)	Thermosynechococcus vulcanus
18	KA, R (X, x)	Photosystem II reaction center protein X	polymer	40	4191.0	2	UniProt (D0VWR4) Pfam (PF06596)	Thermosynechococcus vulcanus
19	LA, S (Z, z)	Photosystem II reaction center protein Z	polymer	62	6766.2	2	UniProt (D0VWR5) Pfam (PF01737)	Thermosynechococcus vulcanus	PSII-Z
20	BG, MA (a, A)	CA-MN4-O5 CLUSTER	non-polymer		339.8	2	Chemie (OEX)
21	CG, NA (a, A)	FE (II) ION	non-polymer		55.8	2	Chemie (FE2)
22	DG, EG, OA, PA (a, A)	CHLORIDE ION	non-polymer		35.5	4	Chemie (CL)
23	AD, AH, BD, BH, CD... (C, b, a, c, B...)	CHLOROPHYLL A	non-polymer		893.5	70	Chemie (CLA)
24	JG, KG, TA, UA (a, A)	PHEOPHYTIN A	non-polymer		871.2	4	Chemie (PHO)
25	AC, AF, BC, CC, ID... (B, K, C, k, T...)	BETA-CAROTENE	non-polymer		536.9	20	Chemie (BCR)
26	BE, DB, DC, DF, NG... (D, A, B, L, a...)	1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL	non-polymer		795.1	8	Chemie (SQD)
27	AJ, EC, FE, ND, PG... (c, B, D, C, a...)	1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE	non-polymer		787.2	10	Chemie (LMG)
28	OJ, QG, ZA, ZD (d, a, 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)
29	AB, AG, AI, BB, BL... (A, a, b, z, L...)	UNKNOWN LIGAND	non-polymer			43	Chemie (UNL)
30	AL, BJ, EB, FC, FF... (z, c, A, B, M...)	DODECYL-BETA-D-MALTOSIDE	non-polymer		510.6	16	Chemie (LMT)
31	BI, CI, CK, DI, EF... (b, h, L, A, c...)	GLYCEROL	non-polymer		92.1	36	Chemie (GOL)
32	GI, IF, JB, PE, QK... (c, O, B, F, o...)	CALCIUM ION	non-polymer		40.1	7	Chemie (CA)
33	CJ, DJ, GC, HC, IC... (c, B, D, O, d...)	heptyl 1-thio-beta-D-glucopyranoside	non-polymer		294.4	19	Chemie (HTG)
34	AE, BK, KD, LD, MD... (D, h, C, d, H...)	DIGALACTOSYL DIACYL GLYCEROL (DGDG)	non-polymer		949.3	10	Chemie (DGD)
35	FG, VD (a, D)	BICARBONATE ION	non-polymer		61.0	2	Chemie (BCT)
36	BF, CE, DE, EE, KE... (L, D, E, l, a...)	1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE	non-polymer		723.0	10	Chemie (LHG)
37	NE, PF, VK, WJ (F, V, v, f)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	4	Chemie (HEM)
38	AK, QE (h, H)	(3R)-beta,beta-caroten-3-ol	non-polymer		552.9	2	Chemie (RRX)
39	HK, VE (j, J)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
40	JF (O)	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
41	AM, BM, CL, CM, DL... (f, h, A, i, B...)	water	water		18.0	2884	Chemie (HOH)

Sequence modifications

A, a: 1 - 344 (UniProt: P51765)

PDB	External Database	Details
Pro 279	Arg 279	SEE REMARK 999

C, c: 23 - 473 (UniProt: D0VWR7)

PDB	External Database	Details
Asn 19	-	SEE REMARK 999
Ser 20	-	SEE REMARK 999
Ile 21	-	SEE REMARK 999
Phe 22	-	SEE REMARK 999

K, k: 10 - 46 (UniProt: P19054)

PDB	External Database	Details
Leu 33	Phe 24	SEE REMARK 999
Trp 39	Val 30	SEE REMARK 999

M, m: 1 - 36 (UniProt: P12312)

PDB	External Database	Details
Leu 8	Phe 8	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	38
	Total formula weight	592420.6
Non-Polymers*	Number of molecules	276
	Total formula weight	132849.6
All*	Total formula weight	725270.2

*Water molecules are not included.