5MDX

Cryo-EM structure of the PSII supercomplex from Arabidopsis thaliana

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	343	38003.2	2	UniProt (P83755) Pfam (PF00124) In PDB	Arabidopsis thaliana (Mouse-ear cress)	PSII D1 protein,Photosystem II Q(B) protein
2	B, b	Photosystem II CP47 reaction center protein	polymer	507	55960.6	2	UniProt (P56777) Pfam (PF00421) In PDB	Arabidopsis thaliana (Mouse-ear cress)	PSII 47 kDa protein,Protein CP-47
3	C, c	Photosystem II CP43 reaction center protein	polymer	459	50086.3	2	UniProt (P56778) Pfam (PF00421) In PDB	Arabidopsis thaliana (Mouse-ear cress)	PSII 43 kDa protein,Protein CP-43
4	D, d	Photosystem II D2 protein	polymer	352	39444.1	2	UniProt (P56761) Pfam (PF00124) In PDB	Arabidopsis thaliana (Mouse-ear cress)	PSII D2 protein,Photosystem Q(A) protein
5	E, e	Cytochrome b559 subunit alpha	polymer	83	9393.5	2	UniProt (P56779) Pfam (PF00283) Pfam (PF00284) In PDB	Arabidopsis thaliana (Mouse-ear cress)	PSII reaction center subunit V
6	F, f	Cytochrome b559 subunit beta (PsbF)	polymer	39	4428.2	2	UniProt (P62095) Pfam (PF00283) In PDB	Arabidopsis thaliana (Mouse-ear cress)
7	H, h	Photosystem II reaction center protein H	polymer	72	7575.7	2	UniProt (P56780) Pfam (PF00737) In PDB	Arabidopsis thaliana (Mouse-ear cress)	PSII-H,Photosystem II 10 kDa phosphoprotein
8	I, i	Photosystem II reaction center protein I	polymer	36	4170.9	2	UniProt (P62100) Pfam (PF02532) In PDB	Arabidopsis thaliana (Mouse-ear cress)	PSII-I,PSII 4.8 kDa protein
9	K, k	Photosystem II reaction center protein K	polymer	37	4239.1	2	UniProt (P56782) Pfam (PF02533) In PDB	Arabidopsis thaliana (Mouse-ear cress)	PSII-K
10	L, l	Photosystem II reaction center protein L	polymer	38	4471.1	2	UniProt (P60129) Pfam (PF02419) In PDB	Arabidopsis thaliana (Mouse-ear cress)	PSII-L
11	M, m	Photosystem II reaction center protein M	polymer	34	3783.5	2	UniProt (P62109) Pfam (PF05151) In PDB	Arabidopsis thaliana (Mouse-ear cress)	PSII-M
12	O, o	Oxygen-evolving enhancer protein 1-1, chloroplastic	polymer	247	26594.6	2	UniProt (P23321) Pfam (PF01716) In PDB	Arabidopsis thaliana (Mouse-ear cress)	OEE1,33 kDa subunit of oxygen evolving system of photosystem II,33 kDa thylakoid membrane protein,Manganese-stabilizing protein 1,MSP-1,OEC 33 kDa subunit
13	T, t	Photosystem II reaction center protein T	polymer	33	3825.6	2	UniProt (P61839) Pfam (PF01405) In PDB	Arabidopsis thaliana (Mouse-ear cress)	PSII-T
14	W, w	Photosystem II reaction center W protein, chloroplastic	polymer	54	6036.7	2	UniProt (Q39194) Pfam (PF07123) In PDB	Arabidopsis thaliana (Mouse-ear cress)	PSII 6.1 kDa protein
15	X, x	Photosystem II reaction center protein X	polymer	116	11826.0	2	UniProt (Q9SKI3) Pfam (PF06596) In PDB	Arabidopsis thaliana (Mouse-ear cress)	PSBX,Photosystem II subunit X,Putative PSII-X protein,Putative uncharacterized protein At2g06520; T12H3.7
16	Z, z	Photosystem II reaction center protein Z	polymer	62	6569.8	2	UniProt (P56790) Pfam (PF01737) In PDB	Arabidopsis thaliana (Mouse-ear cress)	PSII-Z
17	R, r	Chlorophyll a-b binding protein CP29.1, chloroplastic	polymer	250	27302.9	2	UniProt (Q07473) Pfam (PF00504) In PDB	Arabidopsis thaliana (Mouse-ear cress)	LHCB4.1,LHCII protein 4.1
18	S, s	Chlorophyll a-b binding protein CP26, chloroplastic	polymer	232	25232.8	2	UniProt (Q9XF89) Pfam (PF00504) In PDB	Arabidopsis thaliana (Mouse-ear cress)	LHCB5,LHCIIc,Light-harvesting complex II protein 5
19	G, N, Y, g, n...	Chlorophyll a-b binding protein 1, chloroplastic	polymer	224	23971.9	12	UniProt (P04778) Pfam (PF00504) In PDB	Arabidopsis thaliana (Mouse-ear cress)	Chlorophyll a-b protein 140,CAB-140,LHCII type I CAB-1
20	4, 8	Chlorophyll a-b binding protein, chloroplastic	polymer	210	23014.1	2	UniProt (Q9LMQ2) Pfam (PF00504) In PDB	Arabidopsis thaliana (Mouse-ear cress)
21	a, A	FE (II) ION	non-polymer		55.8	2	Chemie (FE2)
22	A, C, b, Y, s...	CHLOROPHYLL A	non-polymer		893.5	212	Chemie (CLA)
23	A, D, d, a	PHEOPHYTIN A	non-polymer		871.2	4	Chemie (PHO)
24	E, e	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	2	Chemie (HEM)
25	R, G, n, Y, 1...	CHLOROPHYLL B	non-polymer		907.5	96	Chemie (CHL)

Contents of the asymmetric unit

Polymers	Number of chains	50
	Total formula weight	991580.5
Non-Polymers*	Number of molecules	316
	Total formula weight	281366.4
All*	Total formula weight	1272946.9

*Water molecules are not included.