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Structure and characteristics of a photosystem II supercomplex containing monomeric LHCX and dimeric FCPII antennae from the diatom Thalassiosira pseudonana

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, TA (A, a)	Photosystem II protein D1	polymer	333	36982.2	2	UniProt (A0T0W2) Pfam (PF00124)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)	PSII D1 protein,Photosystem II Q(B) protein
2	B, UA (B, b)	Photosystem II CP47 reaction center protein	polymer	509	56465.3	2	UniProt (A0T0P5) Pfam (PF00421)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)
3	C, D (C, c)	Photosystem II CP43 reaction center protein	polymer	470	51776.2	2	UniProt (A0T0T1) Pfam (PF00421)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)	PSII 43 kDa protein,Protein CP-43
4	E, F (D, d)	Photosystem II D2 protein	polymer	351	39089.6	2	UniProt (A0T0T0) Pfam (PF00124)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)	PSII D2 protein,Photosystem Q(A) protein
5	G, H (E, e)	Cytochrome b559 subunit alpha	polymer	84	9521.7	2	UniProt (A0T0U2) Pfam (PF00283) Pfam (PF00284)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)	PSII reaction center subunit V
6	I, J (F, f)	Cytochrome b559 subunit beta	polymer	43	4913.8	2	UniProt (A0T0U1) Pfam (PF00283)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)	PSII reaction center subunit VI
7	K, L (G, g)	Photosystem II Psb31 protein domain-containing protein	polymer	176	18176.7	2	UniProt (B8CC14) Pfam (PF18240)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)
8	M, N (H, h)	Photosystem II reaction center protein H	polymer	66	7391.8	2	UniProt (A0T0P8) Pfam (PF00737)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)	PSII-H
9	O, P (I, i)	Photosystem II reaction center protein I	polymer	34	3940.7	2	UniProt (A0T0U9) Pfam (PF02532)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)	PSII-I,PSII 4.8 kDa protein
10	Q, R (J, j)	Photosystem II reaction center protein J	polymer	39	4045.8	2	UniProt (A0T0T9) Pfam (PF01788)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)	PSII-J
11	S, T (K, k)	Photosystem II reaction center protein K	polymer	44	4984.0	2	UniProt (A0T0S8) Pfam (PF02533)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)	PSII-K
12	U, V (L, l)	Photosystem II reaction center protein L	polymer	38	4367.1	2	UniProt (A0T0U0) Pfam (PF02419)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)	PSII-L
13	W, X (M, m)	Photosystem II reaction center M protein, plastid	polymer	113	12051.0	2	UniProt (B8BYH2)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)
14	Y, Z (n, N)	Photosystem II subunit, PsbN.	polymer	30	2571.2	2		Thalassiosira pseudonana (Marine diatom Cyclotella nana)
15	AA, BA (O, o)	Oxygen-evolving enhancer protein 1	polymer	305	32168.5	2	UniProt (B8C4I5) Pfam (PF01716)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)
16	CA, DA (T, t)	Photosystem II reaction center protein T	polymer	28	3314.0	2	UniProt (A0T0P6) Pfam (PF01405)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)	PSII-T
17	EA, FA (U, u)	PS II complex 12 kDa extrinsic protein	polymer	148	15486.6	2	UniProt (B8BVI4) Pfam (PF06514)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)
18	GA, HA (V, v)	Cytochrome c-550	polymer	162	17713.2	2	UniProt (A0T0N2) Pfam (PF14495)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)	Cytochrome c550
19	IA, JA (W, w)	Photosystem II subunit, PsbW	polymer	54	6096.5	2	UniProt (B8C8Y3)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)
20	KA, LA (X, x)	Photosystem II reaction center X protein	polymer	38	3933.6	2	UniProt (A0T0N4) Pfam (PF06596)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)
21	MA, NA (Z, z)	Photosystem II reaction center protein Z	polymer	61	6417.5	2	UniProt (A0T0T3) Pfam (PF01737)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)
22	OA (3)	Fucoxanthin chl a/c protein, lhca clade	polymer	220	24101.0	1	UniProt (B8BUU4) Pfam (PF00504)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)
23	PA (4)	Fucoxanthin-chlorophyll a-c binding protein, plastid	polymer	196	21059.0	1	UniProt (B8BVI1) Pfam (PF00504)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)
24	QA (5)	Fucoxanthin chlorophyll a/c protein 6	polymer	192	20872.7	1	UniProt (B8BX92) Pfam (PF00504)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)
25	RA (6)	Fucoxanthin chlorophyll a/c protein 5	polymer	199	21402.5	1	UniProt (B8CEV5) Pfam (PF00504)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)
26	SA, ZA (7, 0)	Fucoxanthin chlorophyll a/c protein-LI818 clade	polymer	199	21279.4	2	UniProt (B5YLU3) Pfam (PF00504)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)
27	VA, WA (Y, y)	Photosystem II reaction center protein Ycf12	polymer	34	3591.5	2	UniProt (A0T0T2) Pfam (PF05969)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)
28	XA, YA (Q, q)	Photosystem II subunit, PsbQ.	polymer	211	22439.2	2	UniProt (B8BSY9) Pfam (PF05757)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)
29	AB, BB, CB, DB (9, 2, 8, 1)	Fucoxanthin chlorophyll a/c light-harvesting protein, major type	polymer	193	20786.7	4	UniProt (B8BX93) Pfam (PF00504)	Thalassiosira pseudonana (Marine diatom Cyclotella nana)
30	AL, BL, CD, CF, CL... (b, C, H, A, h...)	BETA-CAROTENE	non-polymer		536.9	22	Chemie (BCR)
31	FB, ZJ (A, a)	CA-MN4-O5 CLUSTER	non-polymer		339.8	2	Chemie (OEX)
32	AK, GB (a, A)	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
33	AC, AD, AH, AJ, AN... (B, C, 3, 6, 2...)	CHLOROPHYLL A	non-polymer		893.5	183	Chemie (CLA)
34	DK, EK, JB, KB (a, A)	PHEOPHYTIN A	non-polymer		871.2	4	Chemie (PHO)
35	NB, WJ (A, a)	BICARBONATE ION	non-polymer		61.0	2	Chemie (BCT)
36	AG, CG, FF, IF, JK... (W, w, H, h, b...)	1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE	non-polymer		723.0	20	Chemie (LHG)
37	HE, HK, JF, OC, OF... (D, a, i, B, L...)	1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL	non-polymer		795.1	12	Chemie (SQD)
38	AE, BE, BH, CE, DF... (c, 3, H, C, h...)	DIGALACTOSYL DIACYL GLYCEROL (DGDG)	non-polymer		949.3	11	Chemie (DGD)
39	DE, DL, EE, EL, FG... (c, b, w, Q, C...)	1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE	non-polymer		787.2	26	Chemie (LMG)
40	FE, XE (D, d)	FE (II) ION	non-polymer		55.8	2	Chemie (FE2)
41	ME, TE (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)
42	AF, BF, XF, YF (e, F, V, v)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	4	Chemie (HEM)
43	DG, IG, NI, SH, TF... (w, 3, 5, 4, T...)	DODECYL-ALPHA-D-MALTOSIDE	non-polymer		510.6	6	Chemie (LMU)
44	BJ, II, RG (6, 5, 3)	Chlorophyll c1	non-polymer		610.9	3	Chemie (KC1)
45	AI, AM, CH, DH, EJ... (5, 9, 4, 7, 8...)	(3S,3'S,5R,5'R,6S,6'R,8'R)-3,5'-dihydroxy-8-oxo-6',7'-didehydro-5,5',6,6',7,8-hexahydro-5,6-epoxy-beta,beta-caroten-3'- yl acetate	non-polymer		658.9	29	Chemie (A86)
46	AO, BM, CM, EH, JN... (1, 9, 4, 8, 2...)	(3S,3'R,5R,6S,7cis)-7',8'-didehydro-5,6-dihydro-5,6-epoxy-beta,beta-carotene-3,3'-diol	non-polymer		582.9	10	Chemie (DD6)
47	DI, IH, JJ, OL, WI (5, 4, 7, 0, 6)	Chlorophyll c2	non-polymer		608.9	5	Chemie (KC2)
48	FJ, KL (7, 0)	(1~{R})-3,5,5-trimethyl-4-[(1~{E},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-1,3,5,7,9,11,13,15-octaen-17-ynyl]cyclohex-3-en-1-ol	non-polymer		566.9	2	Chemie (ET4)

Contents of the asymmetric unit

Polymers	Number of chains	56
	Total formula weight	948016.0
Non-Polymers*	Number of molecules	347
	Total formula weight	272674.0
All*	Total formula weight	1220689.9

*Water molecules are not included.