5ZZN

Crystal structure of photosystem II from an SQDG-deficient mutant of 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, T (A, a)	Photosystem II protein D1 1	polymer	334	37059.3	2	UniProt (P0A444) Pfam (PF00124)	Thermosynechococcus elongatus (strain BP-1)	PSII D1 protein 1,Photosystem II Q(B) protein 1
2	B, U (B, b)	Photosystem II CP47 reaction center protein	polymer	505	56096.8	2	UniProt (Q8DIQ1) Pfam (PF00421)	Thermosynechococcus elongatus (strain BP-1)	PSII 47 kDa protein,Protein CP-47
3	C, V (C, c)	Photosystem II CP43 reaction center protein	polymer	455	49668.8	2	UniProt (Q8DIF8) Pfam (PF00421)	Thermosynechococcus elongatus (strain BP-1)	PSII 43 kDa protein,Protein CP-43
4	D, W (D, d)	Photosystem II D2 protein	polymer	342	38419.9	2	UniProt (Q8CM25) Pfam (PF00124)	Thermosynechococcus elongatus (strain BP-1)	PSII D2 protein,Photosystem II Q(A) protein
5	E, X (E, e)	Cytochrome b559 subunit alpha	polymer	81	9321.5	2	UniProt (Q8DIP0) Pfam (PF00283) Pfam (PF00284)	Thermosynechococcus elongatus (strain BP-1)	PSII reaction center subunit V
6	F, Y (F, f)	Cytochrome b559 subunit beta	polymer	34	3868.6	2	UniProt (Q8DIN9) Pfam (PF00283)	Thermosynechococcus elongatus (strain BP-1)	PSII reaction center subunit VI
7	G, Z (H, h)	Photosystem II reaction center protein H	polymer	63	7057.3	2	UniProt (Q8DJ43) Pfam (PF00737)	Thermosynechococcus elongatus (strain BP-1)	PSII-H
8	AA, H (I, i)	Photosystem II reaction center protein I	polymer	37	4309.1	2	UniProt (Q8DJZ6) Pfam (PF02532)	Thermosynechococcus elongatus	PSII-I,PSII 4.4 kDa protein
9	BA, I (J, j)	Photosystem II reaction center protein J	polymer	40	4105.9	2	UniProt (P59087) Pfam (PF01788)	Thermosynechococcus elongatus (strain BP-1)	PSII-J
10	CA, J (K, k)	Photosystem II reaction center protein K	polymer	37	4101.9	2	UniProt (Q9F1K9) Pfam (PF02533)	Thermosynechococcus elongatus (strain BP-1)	PSII-K
11	DA, K (L, l)	Photosystem II reaction center protein L	polymer	36	4167.8	2	UniProt (Q8DIN8) Pfam (PF02419)	Thermosynechococcus elongatus (strain BP-1)	PSII-L
12	EA, L (M, m)	Photosystem II reaction center protein M	polymer	34	3835.5	2	UniProt (Q8DHA7) Pfam (PF05151)	Thermosynechococcus elongatus	PSII-M
13	FA, M (O, o)	Photosystem II manganese-stabilizing polypeptide	polymer	243	26523.6	2	UniProt (P0A431) Pfam (PF01716)	Thermosynechococcus elongatus (strain BP-1)	MSP
14	GA, N (T, t)	Photosystem II reaction center protein T	polymer	30	3648.4	2	UniProt (Q8DIQ0) Pfam (PF01405)	Thermosynechococcus elongatus	PSII-Tc
15	HA, O (U, u)	Photosystem II 12 kDa extrinsic protein	polymer	97	10966.3	2	UniProt (Q9F1L5) Pfam (PF06514)	Thermosynechococcus elongatus (strain BP-1)	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 (strain BP-1)	Cytochrome c-549,Cytochrome c550,Low-potential cytochrome c
17	JA, Q (Y, y)	Photosystem II reaction center protein Ycf12	polymer	29	3098.9	2	UniProt (Q8DJI1) Pfam (PF05969)	Thermosynechococcus elongatus (strain BP-1)
18	KA, R (X, x)	Photosystem II reaction center X protein	polymer	39	4077.9	2	UniProt (Q9F1R6) Pfam (PF06596)	Thermosynechococcus elongatus
19	LA, S (Z, z)	Photosystem II reaction center protein Z	polymer	62	6766.2	2	UniProt (Q8DHJ2) Pfam (PF01737)	Thermosynechococcus elongatus (strain BP-1)	PSII-Z
20	HH, MA (a, A)	CA-MN4-O5 CLUSTER	non-polymer		339.8	2	Chemie (OEX)
21	JH, KH, NA, NN, OA (a, A, v)	CHLORIDE ION	non-polymer		35.5	5	Chemie (CL)
22	AD, AK, BD, BK, CD... (C, c, b, d, B...)	CHLOROPHYLL A	non-polymer		893.5	70	Chemie (CLA)
23	IL, LE, NH, SA (d, D, a, A)	PHEOPHYTIN A	non-polymer		871.2	4	Chemie (PHO)
24	AC, CH, EK, FK, GN... (B, Y, c, t, d...)	BETA-CAROTENE	non-polymer		536.9	20	Chemie (BCR)
25	LL, OE, QH, VA (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)
26	CC, JK, KK, PD, QD... (B, c, C, d, a...)	1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE	non-polymer		787.2	10	Chemie (LMG)
27	AI, CJ, DF, DH, DI... (a, b, E, X, A...)	UNKNOWN LIGAND	non-polymer		723.0	52	Chemie (UNL)
28	AB, AG, AJ, DC, EH... (A, M, b, B, Z...)	DODECYL-BETA-D-MALTOSIDE	non-polymer		510.6	19	Chemie (LMT)
29	AE, AF, AH, AL, AM... (C, D, V, c, e...)	DIMETHYL SULFOXIDE	non-polymer		78.1	95	Chemie (DMS)
30	BG, BH, EI, HB, QJ... (O, V, b, B, c...)	CALCIUM ION	non-polymer		40.1	7	Chemie (CA)
31	BC, CF, CM, IF, NL... (B, E, f, F, d...)	1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE	non-polymer		723.0	12	Chemie (LHG)
32	BI, BJ, CG, CI, EC... (b, O, B, c, C...)	heptyl 1-thio-beta-D-glucopyranoside	non-polymer		294.4	22	Chemie (HTG)
33	DM, GK, HK, IK, JF... (h, c, H, C, d...)	DIGALACTOSYL DIACYL GLYCEROL (DGDG)	non-polymer		949.3	10	Chemie (DGD)
34	EE, KJ, WK, YE, ZL (C, b, c, D, e)	GLYCEROL	non-polymer		92.1	5	Chemie (GOL)
35	IE, IH (D, a)	FE (II) ION	non-polymer		55.8	2	Chemie (FE2)
36	FL, JE (d, D)	BICARBONATE ION	non-polymer		61.0	2	Chemie (BCT)
37	BM, GF (f, F)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	2	Chemie (HEM)
38	EM, KF (h, H)	(3R)-beta,beta-caroten-3-ol	non-polymer		552.9	2	Chemie (RRX)
39	LM, QM, SF, YF (j, k, J, K)	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)
40	ON, TG (v, V)	HEME C	non-polymer		618.5	2	Chemie (HEC)
41	AO, AP, BO, BP, CO... (B, j, C, k, D...)	water	water		18.0	2322	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	38
	Total formula weight	584484.1
Non-Polymers*	Number of molecules	351
	Total formula weight	172503.8
All*	Total formula weight	756987.9

*Water molecules are not included.