4XK8

Crystal structure of plant photosystem I-LHCI super-complex at 2.8 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, a	Photosystem I P700 chlorophyll a apoprotein A1	polymer	742	82408.3	2	Pfam (PF00223) UniProt (by SIFTS) (P05310) In PDB	Pisum sativum	PSI-A,PsaA
2	B, b	Photosystem I P700 chlorophyll a apoprotein A2	polymer	733	82466.8	2	Pfam (PF00223) UniProt (by SIFTS) (P05311) In PDB	Pisum sativum	PSI-B,PsaB
3	C, c	Photosystem I iron-sulfur center	polymer	80	8860.3	2	UniProt (P10793) Pfam (PF14697) In PDB	Pisum sativum	9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC
4	D, d	Uncharacterized protein	polymer	141	15853.1	2	UniProt (I1NGD2) Pfam (PF02531) UniProt (by SIFTS) (A5Z2K3) In PDB	Pisum sativum
5	E, e	Putative uncharacterized protein	polymer	64	7299.2	2	Pfam (PF02427) UniProt (by SIFTS) (E1C9K6) In PDB	Pisum sativum
6	F, f	Photosystem I reaction center subunit III, chloroplastic	polymer	151	17009.8	2	Pfam (PF02507) UniProt (by SIFTS) (P12355) In PDB	Pisum sativum	Light-harvesting complex I 17 kDa protein,PSI-F
7	G, g	Photosystem I reaction center subunit V, chloroplastic	polymer	95	10460.7	2	Pfam (PF01241) UniProt (by SIFTS) (P12357) In PDB	Pisum sativum	PSI-G,Photosystem I 9 kDa protein
8	H, h	Putative uncharacterized protein	polymer	90	9639.9	2	Pfam (PF03244) UniProt (by SIFTS) (C6T221) In PDB	Pisum sativum
9	I, i	Photosystem I reaction center subunit VIII	polymer	30	3296.0	2	UniProt (P17227) Pfam (PF00796) In PDB	Pisum sativum	PSI-I
10	J, j	Photosystem I reaction center subunit IX	polymer	39	4402.2	2	UniProt (A4GGC6) Pfam (PF01701) In PDB	Pisum sativum	PSI-J
11	K, k	Photosystem I reaction center subunit X psaK	polymer	84	8462.8	2	UniProt (E1C9L3) Pfam (PF01241) In PDB	Pisum sativum
12	L, l	Putative uncharacterized protein	polymer	153	16130.5	2	UniProt (E1C9L1) Pfam (PF02605) In PDB	Pisum sativum
13	1, 6	Chlorophyll a-b binding protein 6, chloroplastic	polymer	195	21354.4	2	Pfam (PF00504) UniProt (by SIFTS) (Q01667) In PDB	Pisum sativum	LHCI-730,LHCII type III CAB-6,Light-harvesting complex protein Lhca1
14	2, 7	Type II chlorophyll a/b binding protein from photosystem I	polymer	206	22693.7	2	UniProt (Q41038) Pfam (PF00504) In PDB	Pisum sativum
15	3, 8	Chlorophyll a-b binding protein 3, chloroplastic	polymer	218	23725.0	2	UniProt (Q32904) Pfam (PF00504) In PDB	Pisum sativum	LHCII type III CAB-3
16	4, 9	Chlorophyll a-b binding protein P4, chloroplastic	polymer	196	21719.7	2	Pfam (PF00504) UniProt (by SIFTS) (Q9SQL2) In PDB	Pisum sativum	LHCI type III CAB-P4
17	A, B, K, 4, a...	CHLOROPHYLL A	non-polymer		893.5	285	Chemie (CLA)
18	b, A, B, a	PHYLLOQUINONE	non-polymer		450.7	4	Chemie (PQN)
19	A, 1, a, 6, 3...	1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE	non-polymer		723.0	11	Chemie (LHG)
20	B, 6, A, K, k...	BETA-CAROTENE	non-polymer		536.9	52	Chemie (BCR)
21	A, C, a, c	IRON/SULFUR CLUSTER	non-polymer		351.6	6	Chemie (SF4)
22	A, F, a, f, j...	heptyl 1-thio-beta-D-glucopyranoside	non-polymer		294.4	6	Chemie (HTG)
23	B	DODECYL-BETA-D-MALTOSIDE	non-polymer		510.6	1	Chemie (LMT)
24	B, b	DIGALACTOSYL DIACYL GLYCEROL (DGDG)	non-polymer		949.3	2	Chemie (DGD)
25	9, 4, 6, G	1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE	non-polymer		787.2	5	Chemie (LMG)
26	3, 8, 4, 2, 7...	CHLOROPHYLL B	non-polymer		907.5	24	Chemie (CHL)
27	9, 1, 4, 6, 8...	(3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL	non-polymer		568.9	10	Chemie (LUT)
28	9, 4, 8, 3, 2...	(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)
29		water	water		18.0	185	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	32
	Total formula weight	711565.0
Non-Polymers*	Number of molecules	414
	Total formula weight	334813.5
All*	Total formula weight	1046378.5

*Water molecules are not included.