8XR6

Cryo-EM structure of cryptophyte photosystem II

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	a, A	Photosystem II protein D1	polymer	360	39590.9	2	UniProt (A0A222AI41) Pfam (PF00124) In PDB	Chroomonas placoidea	PSII D1 protein,Photosystem II Q(B) protein
2	0, 4	ACPII-4	polymer	219	23658.5	2		Chroomonas placoidea
3	1, 7	ACPII-1	polymer	218	23755.6	2		Chroomonas placoidea
4	2, 8	ACPII-2	polymer	200	22144.3	2		Chroomonas placoidea
5	3, 9	ACPII-3	polymer	229	24136.2	2		Chroomonas placoidea
6	5, g	ACPII-5	polymer	216	23400.1	2		Chroomonas placoidea
7	6, p	ACPII-6	polymer	234	25022.0	2		Chroomonas placoidea
8	B, b	Photosystem II CP47 reaction center protein	polymer	509	56354.2	2	UniProt (A0A222AIE3) Pfam (PF00421) In PDB	Chroomonas placoidea	PSII 47 kDa protein,Protein CP-47
9	C, c	PsbC_CP43	polymer	473	52077.4	2	Pfam (PF00421) UniProt (by SIFTS) (A0A222AI36) In PDB	Chroomonas placoidea
10	D, d	Photosystem II D2 protein	polymer	351	39216.8	2	UniProt (A0A222AI37) Pfam (PF00124) In PDB	Chroomonas placoidea	PSII D2 protein,Photosystem Q(A) protein
11	E, e	Cytochrome b559 subunit alpha	polymer	84	9505.7	2	UniProt (A0A222AI74) Pfam (PF00283) Pfam (PF00284) In PDB	Chroomonas placoidea	PSII reaction center subunit V
12	F, f	Cytochrome b559 subunit beta	polymer	42	4845.8	2	UniProt (A0A222AI51) Pfam (PF00283) In PDB	Chroomonas placoidea	PSII reaction center subunit VI
13	H, h	Photosystem II reaction center protein H	polymer	67	7519.9	2	UniProt (A0A222AIE4) Pfam (PF00737) In PDB	Chroomonas placoidea	PSII-H
14	I, i	Photosystem II reaction center protein I	polymer	38	4424.1	2	UniProt (A0A222AI80) Pfam (PF02532) In PDB	Chroomonas placoidea	PSII-I,PSII 4.4 kDa protein
15	J, j	Photosystem II reaction center protein J	polymer	39	3964.6	2	UniProt (A0A222AI54) Pfam (PF01788) In PDB	Chroomonas placoidea	PSII-J
16	K, k	Photosystem II reaction center protein K	polymer	45	5005.1	2	UniProt (A0A222AIA0) Pfam (PF02533) In PDB	Chroomonas placoidea	PSII-K
17	L, l	Photosystem II reaction center protein L	polymer	38	4363.1	2	UniProt (A0A222AI58) Pfam (PF02419) In PDB	Chroomonas placoidea	PSII-L
18	M, m	PsbM	polymer	37	3933.6	2		Chroomonas placoidea
19	N, n	Psb-gama_linker	polymer	297	31745.1	2		Chroomonas placoidea
20	O, o	PsbO	polymer	300	32104.0	2		Chroomonas placoidea
21	Q, q	PsbQ	polymer	144	15748.9	2		Chroomonas placoidea
22	T, t	Photosystem II reaction center protein T	polymer	32	3664.4	2	UniProt (A0A222AID2) Pfam (PF01405) In PDB	Chroomonas placoidea	PSII-T
23	U, u	PsbU	polymer	121	13211.1	2		Chroomonas placoidea
24	V, v	Photosystem II cytochrome c550	polymer	163	17708.2	2	UniProt (A0A222AI35) Pfam (PF14495) In PDB	Chroomonas placoidea
25	W, w	PsbW	polymer	130	13751.9	2		Chroomonas placoidea
26	X, x	Photosystem II reaction center protein X	polymer	39	4149.9	2	UniProt (A0A222AI61) Pfam (PF06596) In PDB	Chroomonas placoidea
27	Y, y	Photosystem II reaction center protein Psb30	polymer	34	3763.6	2	UniProt (A0A222AI69) Pfam (PF05969) In PDB	Chroomonas placoidea	Photosystem II reaction center protein Ycf12
28	Z, z	Photosystem II reaction center protein Z	polymer	62	6574.0	2	UniProt (A0A222AI96) Pfam (PF01737) In PDB	Chroomonas placoidea	PSII-Z
29	a, A	CA-MN4-O5 CLUSTER	non-polymer		339.8	2	Chemie (OEX)
30	a, A	FE (II) ION	non-polymer		55.8	2	Chemie (FE2)
31	a, A	BICARBONATE ION	non-polymer		61.0	2	Chemie (BCT)
32	a, A	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
33	1, 4, 7, B, C...	CHLOROPHYLL A	non-polymer		893.5	210	Chemie (CLA)
34	a, d, D, A	PHEOPHYTIN A	non-polymer		871.2	4	Chemie (PHO)
35	H, c, 1, 4, 7...	(6'R,11cis,11'cis,13cis,15cis)-4',5'-didehydro-5',6'-dihydro-beta,beta-carotene	non-polymer		536.9	24	Chemie (8CT)
36	a, d, 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	4	Chemie (PL9)
37	A, 3, 5, 8, 9...	1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE	non-polymer		723.0	24	Chemie (LHG)
38	1, g, 7, 0, p...	Chlorophyll c2	non-polymer		608.9	14	Chemie (KC2)
39	9, 6, 1, g, 4...	(1~{R})-3,5,5-trimethyl-4-[(3~{E},5~{E},7~{E},9~{E},11~{E},13~{E},15~{E})-3,7,12,16-tetramethyl-18-[(4~{R})-2,6,6-trimethyl-4-oxidanyl-cyclohexen-1-yl]octadeca-3,5,7,9,11,13,15-heptaen-1,17-diynyl]cyclohex-3-en-1-ol	non-polymer		564.8	48	Chemie (II0)
40	g, p, 3, 6, 9...	(1~{R})-3,5,5-trimethyl-4-[(3~{E},5~{E},7~{E},9~{E},11~{E},13~{E},15~{E},17~{E})-3,7,12,16-tetramethyl-18-(2,6,6-trimethylcyclohexen-1-yl)octadeca-3,5,7,9,11,13,15,17-octaen-1-ynyl]cyclohex-3-en-1-ol	non-polymer		550.9	8	Chemie (IHT)
41	J, L, j, c, l...	1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL	non-polymer		795.1	8	Chemie (SQD)
42	c, b, T, C, W...	1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE	non-polymer		787.2	16	Chemie (LMG)
43	H, c, h, C	DIGALACTOSYL DIACYL GLYCEROL (DGDG)	non-polymer		949.3	8	Chemie (DGD)
44	F, V, v, f	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	4	Chemie (HEM)
45		water	water		18.0	84	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	56
	Total formula weight	1030678.1
Non-Polymers*	Number of molecules	380
	Total formula weight	294394.7
All*	Total formula weight	1325072.9

*Water molecules are not included.