7CZL

Structural insights into a dimeric Psb27-photosystem II complex from a cyanobacterium Thermosynechococcus vulcanus

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, N (A, a)	Photosystem II protein D1	polymer	324	35894.9	2	UniProt (P51765) Pfam (PF00124)	Thermosynechococcus vulcanus	PSII D1 protein,Photosystem II Q(B) protein
2	B, O (B, b)	Photosystem II CP47 reaction center protein	polymer	505	56096.8	2	UniProt (D0VWR1) Pfam (PF00421)	Thermosynechococcus vulcanus	PSII 47 kDa protein,Protein CP-47
3	C, P (C, c)	Photosystem II CP43 reaction center protein	polymer	446	48648.7	2	UniProt (D0VWR7) Pfam (PF00421)	Thermosynechococcus vulcanus	PSII 43 kDa protein,Protein CP-43
4	D, Q (D, d)	Photosystem II D2 protein	polymer	339	38005.5	2	UniProt (D0VWR8) Pfam (PF00124)	Thermosynechococcus vulcanus	PSII D2 protein,Photosystem Q(A) protein
5	E, R (E, e)	Cytochrome b559 subunit alpha	polymer	65	7495.5	2	UniProt (P12238) Pfam (PF00283) Pfam (PF00284)	Thermosynechococcus vulcanus	PSII reaction center subunit V
6	F, S (F, f)	Cytochrome b559 subunit beta	polymer	31	3461.2	2	UniProt (P12239) Pfam (PF00283)	Thermosynechococcus vulcanus	PSII reaction center subunit VI
7	G, T (H, h)	Photosystem II reaction center protein H	polymer	62	6986.3	2	UniProt (P19052) Pfam (PF00737)	Thermosynechococcus vulcanus	PSII-H
8	H, U (I, i)	Photosystem II reaction center protein I	polymer	34	3923.7	2	UniProt (P12240) Pfam (PF02532)	Thermosynechococcus vulcanus	PSII-I,PSII 4.4 kDa protein
9	I, V (K, k)	Photosystem II reaction center protein K	polymer	37	4101.9	2	UniProt (P19054) Pfam (PF02533)	Thermosynechococcus vulcanus	PSII-K
10	J, W (L, l)	Photosystem II reaction center protein L	polymer	37	4299.0	2	UniProt (P12241) Pfam (PF02419)	Thermosynechococcus vulcanus	PSII-L
11	K, X (M, m)	Photosystem II reaction center protein M	polymer	33	3678.3	2	UniProt (P12312) Pfam (PF05151)	Thermosynechococcus vulcanus	PSII-M
12	L, Y (T, t)	Photosystem II reaction center protein T	polymer	30	3620.4	2	UniProt (P12313) Pfam (PF01405)	Thermosynechococcus vulcanus	PSII-Tc
13	M, Z (Z, z)	Photosystem II reaction center protein Z	polymer	62	6766.2	2	UniProt (D0VWR5) Pfam (PF01737)	Thermosynechococcus vulcanus	PSII-Z
14	AA, DA (Y, y)	Photosystem II reaction center protein Ycf12	polymer	30	3228.0	2	UniProt (D0VWR3) Pfam (PF05969)	Thermosynechococcus vulcanus
15	BA, CA (n, N)	Psb27	polymer	108	12234.8	2		Thermosynechococcus vulcanus
16	EA, FA (X, x)	Photosystem II reaction center protein X	polymer	40	4191.0	2	UniProt (D0VWR4) Pfam (PF06596)	Thermosynechococcus vulcanus
17	AB, AD, BB, BD, CB... (B, a, c, A, k...)	CHLOROPHYLL A	non-polymer		893.5	70	Chemie (CLA)
18	CD, IC, JA, XE (a, D, A, d)	PHEOPHYTIN A	non-polymer		871.2	4	Chemie (PHO)
19	AF, ED, LA, MC (d, a, A, D)	5-[(2E,6E,10E,14E,18E,22E)-3,7,11,15,19,23,27-HEPTAMETHYLOCTACOSA-2,6,10,14,18,22,26-HEPTAENYL]-2,3-DIMETHYLBENZO-1,4-QUINONE	non-polymer		613.0	4	Chemie (PQ9)
20	AC, AE, BC, BE, BF... (C, b, d, a, h...)	BETA-CAROTENE	non-polymer		536.9	22	Chemie (BCR)
21	GD, NA (a, A)	1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE	non-polymer		723.0	2	Chemie (LHG)
22	HD, LB, OA, OF, VC... (a, B, A, m, M...)	DODECYL-BETA-D-MALTOSIDE	non-polymer		510.6	6	Chemie (LMT)
23	CF, JC, MF, PA, UC... (d, D, l, A, L...)	1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL	non-polymer		795.1	6	Chemie (SQD)
24	JD, QA (a, A)	BICARBONATE ION	non-polymer		61.0	2	Chemie (BCT)
25	DE, DF, EF, FC, FF... (b, d, C, B, l...)	(1S)-2-(ALPHA-L-ALLOPYRANOSYLOXY)-1-[(TRIDECANOYLOXY)METHYL]ETHYL PALMITATE	non-polymer		689.0	14	Chemie (MGE)
26	CC, DC, EC, ID, IF... (C, a, h, c, H)	DIGALACTOSYL DIACYL GLYCEROL (DGDG)	non-polymer		949.3	8	Chemie (DGD)
27	GC, VE (C, c)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
28	HC, WE (D, d)	FE (II) ION	non-polymer		55.8	2	Chemie (FE2)
29	GF, RC (f, F)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	2	Chemie (HEM)
30	UF, VF (n, N)	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)

Sequence modifications

A, a: 10 - 333 (UniProt: P51765)

PDB	External Database	Details
Pro 279	Arg 279	conflict
Thr 286	Ala 286	conflict

B, b: 2 - 506 (UniProt: D0VWR1)

PDB	External Database	Details
Arg 506	Lys 505	conflict

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

PDB	External Database	Details
Leu 33	Phe 24	conflict
Trp 39	Val 30	conflict

M, m: 1 - 33 (UniProt: P12312)

PDB	External Database	Details
Leu 8	Phe 8	conflict

Contents of the asymmetric unit

Polymers	Number of chains	32
	Total formula weight	485264.5
Non-Polymers*	Number of molecules	146
	Total formula weight	108430.2
All*	Total formula weight	593694.7

*Water molecules are not included.