3JCU

Cryo-EM structure of spinach PSII-LHCII supercomplex at 3.2 Angstrom resolution

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, Z (A, a)	Photosystem II protein D1	polymer	344	38134.4	2	UniProt (P69560) Pfam (PF00124)	Spinacia oleracea (spinach)
2	AA, B (B, b)	Photosystem II CP47 reaction center protein	polymer	508	56207.9	2	UniProt (P04160) Pfam (PF00421)	Spinacia oleracea (spinach)
3	BA, C (C, c)	Photosystem II CP43 reaction center protein	polymer	473	51880.6	2	UniProt (P06003) Pfam (PF00421)	Spinacia oleracea (spinach)
4	CA, D (D, d)	Photosystem II D2 protein	polymer	353	39535.2	2	UniProt (P06005) Pfam (PF00124)	Spinacia oleracea (spinach)
5	DA, E (E, e)	Cytochrome b559 subunit alpha	polymer	83	9393.5	2	UniProt (P69383) Pfam (PF00283) Pfam (PF00284)	Spinacia oleracea (spinach)
6	EA, F (F, f)	Cytochrome b559 subunit beta	polymer	39	4502.4	2	UniProt (P60128) Pfam (PF00283)	Spinacia oleracea (spinach)
7	FA, G, MA, N, WA... (G, N, Y, g, n...)	Chlorophyll a-b binding protein, chloroplastic	polymer	267	28449.4	6	UniProt (P12333) Pfam (PF00504)	Spinacia oleracea (spinach)
8	GA, H (H, h)	Photosystem II reaction center protein H	polymer	73	7735.0	2	UniProt (P05146) Pfam (PF00737)	Spinacia oleracea (spinach)
9	HA, I (I, i)	Protein Photosystem II reaction center protein I	polymer	36	4170.9	2	UniProt (P62103) Pfam (PF02532)	Spinacia oleracea (spinach)
10	IA, J (J, j)	Photosystem II reaction center protein J	polymer	40	4117.8	2	UniProt (Q9M3L2) Pfam (PF01788)	Spinacia oleracea (spinach)
11	JA, K (K, k)	Photosystem II reaction center protein K	polymer	59	6751.0	2	UniProt (P12163) Pfam (PF02533)	Spinacia oleracea (spinach)
12	KA, L (L, l)	Protein Photosystem II reaction center protein L	polymer	38	4498.1	2	UniProt (P60150) Pfam (PF02419)	Spinacia oleracea (spinach)
13	LA, M (M, m)	Photosystem II reaction center protein M	polymer	34	3783.5	2	UniProt (P62112) Pfam (PF05151)	Spinacia oleracea (spinach)
14	NA, O (O, o)	Oxygen-evolving enhancer protein 1, chloroplastic	polymer	332	35207.4	2	UniProt (P12359) Pfam (PF01716)	Spinacia oleracea (spinach)
15	OA, P (P, p)	Oxygen-evolving enhancer protein 2, chloroplastic	polymer	267	28495.9	2	UniProt (P12302) Pfam (PF01789)	Spinacia oleracea (spinach)
16	PA, Q (Q, q)	Oxygen-evolving enhancer protein 3, chloroplastic	polymer	232	24884.4	2	UniProt (P12301) Pfam (PF05757)	Spinacia oleracea (spinach)
17	QA, R (R, r)	Chlorophyll A-B Binding protein 29 kD (CP29)	polymer	243	26735.3	2	UniProt (F2Z293) Pfam (PF00504)	Spinacia oleracea (spinach)
18	RA, S (S, s)	Chlorophyll A-B Binding protein 26 kD (CP26)	polymer	295	31341.8	2	UniProt (A0A0K9QUQ7)	Spinacia oleracea (spinach)
19	SA, T (T, t)	Photosystem II Reaction Center protein Tc	polymer	33	3825.6	2	UniProt (P61840) Pfam (PF01405)	Spinacia oleracea (spinach)
20	TA, U (U, u)	Photosystem II Reaction Center Tn protein	polymer	99	10676.6	2	UniProt (A0A0K9RHP1)	Spinacia oleracea (spinach)
21	UA, V (W, w)	Photosystem II reaction center W protein, chloroplastic	polymer	137	14186.1	2	UniProt (Q41387) Pfam (PF07123)	Spinacia oleracea (spinach)
22	VA, W (X, x)	Photosystem II Reaction Center X protein	polymer	117	11958.1	2	UniProt (A0A0K9RTU3)	Spinacia oleracea (spinach)
23	XA, Y (Z, z)	Photosystem II reaction center protein Z	polymer	62	6541.7	2	UniProt (Q9M3M6) Pfam (PF01737)	Spinacia oleracea (spinach)
24	DH, YA (a, A)	CA-MN4-O5 CLUSTER	non-polymer		339.8	2	Chemie (OEX)
25	EH, ZA (a, A)	FE (II) ION	non-polymer		55.8	2	Chemie (FE2)
26	AB, BB, FH, GH (A, a)	CHLORIDE ION	non-polymer		35.5	4	Chemie (CL)
27	AC, AG, AI, AK, AL... (B, S, b, g, n...)	CHLOROPHYLL A	non-polymer		893.5	156	Chemie (CLA)
28	FB, GB, KH, LH (A, a)	PHEOPHYTIN A	non-polymer		871.2	4	Chemie (PHO)
29	AJ, BC, BJ, DC, DJ... (c, B, D, H, b...)	BETA-CAROTENE	non-polymer		536.9	20	Chemie (BCR)
30	FC, JB, KI, LB, OH... (B, A, b, a)	1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL	non-polymer		795.1	6	Chemie (SQD)
31	AD, CH, GC, GJ, HN... (C, Z, B, c, z...)	1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE	non-polymer		787.2	10	Chemie (LMG)
32	BD, CJ, EJ, FJ, GE... (C, c, H, h)	DIGALACTOSYL DIACYL GLYCEROL (DGDG)	non-polymer		949.3	8	Chemie (DGD)
33	CD, HJ (D, d)	BICARBONATE ION	non-polymer		61.0	2	Chemie (BCT)
34	GD, MJ (D, d)	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)
35	AF, BH, EE, FL, GN... (N, Y, G, n, y...)	1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE	non-polymer		723.0	18	Chemie (LHG)
36	LD, QJ (F, f)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	2	Chemie (HEM)
37	BM, CM, DM, FF, GF... (s, R, N, Y, r...)	CHLOROPHYLL B	non-polymer		907.5	50	Chemie (CHL)
38	AE, BE, BL, CL, CN... (G, n, y, S, g...)	(3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL	non-polymer		568.9	18	Chemie (LUT)
39	CE, DL, EN, HK, PF... (G, n, y, g, R...)	(3S,5R,6S,3'S,5'R,6'S)-5,6,5',6'-DIEPOXY-5,6,5',6'- TETRAHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL	non-polymer		600.9	8	Chemie (XAT)
40	AH, DE, EL, FN, HG... (Y, G, n, y, S...)	(1R,3R)-6-{(3E,5E,7E,9E,11E,13E,15E,17E)-18-[(1S,4R,6R)-4-HYDROXY-2,2,6-TRIMETHYL-7-OXABICYCLO[4.1.0]HEPT-1-YL]-3,7,12,16-TETRAMETHYLOCTADECA-1,3,5,7,9,11,13,15,17-NONAENYLIDENE}-1,5,5-TRIMETHYLCYCLOHEXANE-1,3-DIOL	non-polymer		600.9	10	Chemie (NEX)

Contents of the asymmetric unit

Polymers	Number of chains	50
	Total formula weight	1019822.9
Non-Polymers*	Number of molecules	322
	Total formula weight	257072.2
All*	Total formula weight	1276895.1

*Water molecules are not included.