6WJ6

Cryo-EM structure of apo-Photosystem II from Synechocystis sp. PCC 6803

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Photosystem II protein D1 2	polymer	360	39744.1	1	UniProt (P16033) Pfam (PF00124) In PDB	Synechocystis sp. (strain PCC 6803 / Kazusa)	PSII D1 protein 2,Photosystem II Q(B) protein 2
2	B	Photosystem II CP47 reaction center protein	polymer	507	55954.4	1	UniProt (P05429) Pfam (PF00421) In PDB	Synechocystis sp. (strain PCC 6803 / Kazusa)	PSII 47 kDa protein,Protein CP-47
3	C	Photosystem II CP43 reaction center protein	polymer	460	50330.7	1	UniProt (P09193) Pfam (PF00421) In PDB	Synechocystis sp. (strain PCC 6803 / Kazusa)	PSII 43 kDa protein,Protein CP-43
4	D	Photosystem II D2 protein	polymer	352	39519.2	1	UniProt (P09192) Pfam (PF00124) In PDB	Synechocystis sp. (strain PCC 6803 / Kazusa)	PSII D2 protein,Photosystem Q(A) protein
5	E	Cytochrome b559 subunit alpha	polymer	81	9454.6	1	UniProt (P09190) Pfam (PF00283) Pfam (PF00284) In PDB	Synechocystis sp. (strain PCC 6803 / Kazusa)	PSII reaction center subunit V
6	F	Cytochrome b559 subunit beta	polymer	44	4935.8	1	UniProt (P09191) Pfam (PF00283) In PDB	Synechocystis sp. (strain PCC 6803 / Kazusa)	PSII reaction center subunit VI
7	H	Photosystem II reaction center protein H	polymer	64	7120.4	1	UniProt (P14835) Pfam (PF00737) In PDB	Synechocystis sp. (strain PCC 6803 / Kazusa)	PSII-H,6 kDa phosphoprotein
8	I	Photosystem II reaction center protein I	polymer	38	4310.1	1	UniProt (Q54697) Pfam (PF02532) In PDB	Synechocystis sp. (strain PCC 6803 / Kazusa)	PSII-I,PSII 4.4 kDa protein
9	K	Photosystem II reaction center protein K	polymer	45	5114.1	1	UniProt (P15819) Pfam (PF02533) In PDB	Synechocystis sp. (strain PCC 6803 / Kazusa)	PSII-K
10	L	Photosystem II reaction center protein L	polymer	39	4476.1	1	UniProt (Q55354) Pfam (PF02419) In PDB	Synechocystis sp. (strain PCC 6803 / Kazusa)	PSII-L
11	M	Photosystem II reaction center protein M	polymer	35	3882.6	1	UniProt (P72701) Pfam (PF05151) In PDB	Synechocystis sp. (strain PCC 6803 / Kazusa)	PSII-M
12	T	Photosystem II reaction center protein T	polymer	31	3543.3	1	UniProt (P74787) Pfam (PF01405) In PDB	Synechocystis sp. (strain PCC 6803 / Kazusa)	PSII-T
13	X	Photosystem II reaction center X protein	polymer	39	4189.0	1	UniProt (P72575) Pfam (PF06596) In PDB	Synechocystis sp. (strain PCC 6803 / Kazusa)
14	A	FE (II) ION	non-polymer		55.8	1	Chemie (FE2)
15	B, C, D, A	CHLOROPHYLL A	non-polymer		893.5	35	Chemie (CLA)
16	D, A	PHEOPHYTIN A	non-polymer		871.2	2	Chemie (PHO)
17	C, X, B, A, D	BETA-CAROTENE	non-polymer		536.9	9	Chemie (BCR)
18	T, X, C, B, A	1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL	non-polymer		795.1	7	Chemie (SQD)
19	D, 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	2	Chemie (PL9)
20	B, C, D	1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE	non-polymer		787.2	3	Chemie (LMG)
21	B	DODECYL-BETA-D-MALTOSIDE	non-polymer		510.6	2	Chemie (LMT)
22	C, H	DIGALACTOSYL DIACYL GLYCEROL (DGDG)	non-polymer		949.3	2	Chemie (DGD)
23	D	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
24	D	BICARBONATE ION	non-polymer		61.0	1	Chemie (BCT)
25	L, D	1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE	non-polymer		723.0	4	Chemie (LHG)
26	E	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	1	Chemie (HEM)
27	I, M, T	N-FORMYLMETHIONINE	non-polymer		177.2	3	Chemie (FME)
28		water	water		18.0	198	Chemie (HOH)

Sequence modifications

C: 1 - 460 (UniProt: P09193)

PDB	External Database	Details
Ser 18	Thr 18	conflict

Contents of the asymmetric unit

Polymers	Number of chains	13
	Total formula weight	232574.5
Non-Polymers*	Number of molecules	73
	Total formula weight	54384.2
All*	Total formula weight	286958.8

*Water molecules are not included.