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)	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)	Thermosynechococcus vulcanus	Protein CP-47
3	C, V (C, c)	Photosystem II 44 kDa reaction center protein	polymer	455	49668.8	2	UniProt (D0VWR7)	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)	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)	Thermosynechococcus vulcanus	PSII reaction center subunit V
6	F, Y (F, f)	Cytochrome b559 subunit beta	polymer	44	4936.7	2	UniProt (P12239)	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)	Thermosynechococcus vulcanus	PSII-H
8	AA, H (I, i)	Photosystem II reaction center protein I	polymer	38	4438.3	2	UniProt (P12240)	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)	Thermosynechococcus vulcanus	PSII-J
10	CA, J (K, k)	Photosystem II reaction center protein K	polymer	37	4101.9	2	UniProt (P19054)	Thermosynechococcus vulcanus	PSII-K
11	DA, K (L, l)	Photosystem II reaction center protein L	polymer	37	4299.0	2	UniProt (P12241)	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)	Thermosynechococcus vulcanus	PSII-M
13	FA, M (O, o)	Photosystem II manganese-stabilizing polypeptide	polymer	244	26651.7	2	UniProt (D0VWR2)	Thermosynechococcus vulcanus	MSP
14	GA, N (T, t)	Photosystem II reaction center protein T	polymer	32	3906.7	2	UniProt (P12313)	Thermosynechococcus vulcanus	PSII-T, PSII-Tc
15	HA, O (U, u)	Photosystem II 12 kDa extrinsic protein	polymer	104	11656.0	2	UniProt (P56152)	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)	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)	Thermosynechococcus vulcanus
18	KA, R (X, x)	Photosystem II reaction center protein X	polymer	40	4191.0	2	UniProt (D0VWR4)	Thermosynechococcus vulcanus
19	LA, S (Z, z)	Photosystem II reaction center protein Z	polymer	62	6766.2	2	UniProt (D0VWR5)	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) PubChem (27284)
22	DG, EG, OA, PA (a, A)	CHLORIDE ION	non-polymer		35.5	4	Chemie (CL) PubChem (312)
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) 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)
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) PubChem (25147486) PubChem (25235342) PubChem (42607399) PubChem (5459390) PubChem (159321) PubChem (9810997) PubChem (9918745) PubChem (481096) PubChem (10219110) PubChem (10373133) PubChem (14463145) PubChem (102201395) PubChem (134765349)
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) PubChem (20286) PubChem (23304240) PubChem (21881166) PubChem (5375177) PubChem (6323474) PubChem (6325820) PubChem (6433402)
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) PubChem (753)
32	GI, IF, JB, PE, QK... (c, O, B, F, o...)	CALCIUM ION	non-polymer		40.1	7	Chemie (CA) PubChem (271)
33	CJ, DJ, GC, HC, IC... (c, B, D, O, d...)	heptyl 1-thio-beta-D-glucopyranoside	non-polymer		294.4	19	Chemie (HTG) PubChem (17754029) PubChem (22844385) PubChem (561567) PubChem (656917) PubChem (71317209) PubChem (135074) PubChem (10979306) PubChem (11335391) PubChem (11392262) PubChem (95858610) PubChem (96361182) PubChem (96361183) PubChem (97041763) PubChem (101138253)
34	AE, BK, KD, LD, MD... (D, h, C, d, H...)	DIGALACTOSYL DIACYL GLYCEROL (DGDG)	non-polymer		949.3	10	Chemie (DGD) PubChem (24865462) PubChem (24865463) PubChem (448441) PubChem (50904896) PubChem (53480668) PubChem (46936671) PubChem (447899) PubChem (4629344) PubChem (15991538) PubChem (134746152) PubChem (154573294) PubChem (140529801) PubChem (171123158)
35	FG, VD (a, D)	BICARBONATE ION	non-polymer		61.0	2	Chemie (BCT) PubChem (769)
36	BF, CE, DE, EE, KE... (L, D, E, l, a...)	1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE	non-polymer		723.0	10	Chemie (LHG) PubChem (446440) PubChem (46936292) PubChem (73416066) PubChem (65144) PubChem (9547104) PubChem (11846227) PubChem (13305396) PubChem (138986743)
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) PubChem (20056910) PubChem (92111) PubChem (177443103) PubChem (182237) PubChem (44554791) PubChem (5316150) PubChem (6384256) PubChem (91496173) PubChem (5281235) PubChem (101088204) PubChem (124934401) PubChem (102330248) PubChem (102330249) PubChem (102330250) PubChem (124934402) PubChem (124934403) PubChem (124934404) PubChem (152743353) PubChem (163007083) PubChem (163007084) PubChem (168433814) PubChem (169423484)
39	HK, VE (j, J)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG) PubChem (888)
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.