7YCA

Cryo-EM structure of the PSI-LHCI-Lhcp supercomplex from Ostreococcus tauri

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	1	Lhca1	polymer	225	24128.4	1	UniProt (Q3B9U3) UniProt (by SIFTS) (A0AA97PZG2) In PDB	Ostreococcus tauri
2	2	Chlorophyll a-b binding protein, chloroplastic	polymer	242	26404.0	1	UniProt (A0A454XUD2) Pfam (PF00504) UniProt (by SIFTS) (Q3B9U6) In PDB	Ostreococcus tauri
3	3	Chlorophyll a-b binding protein, chloroplastic	polymer	272	29432.7	1	UniProt (Q3B9U5) Pfam (PF00504) In PDB	Ostreococcus tauri
4	4	Chlorophyll a-b binding protein, chloroplastic	polymer	236	25924.6	1	UniProt (Q3B9V1) UniProt (by SIFTS) (A0AA97PZ45) In PDB	Ostreococcus tauri
5	5	Chlorophyll a-b binding protein, chloroplastic	polymer	217	23401.0	1	UniProt (A0A090M1L8) Pfam (PF00504) In PDB	Ostreococcus tauri
6	6	Lhca6	polymer	249	26742.6	1	UniProt (A0A1Y5IA87) Pfam (PF00504) In PDB	Ostreococcus tauri
7	A	Photosystem I P700 chlorophyll a apoprotein A1	polymer	751	83249.3	1	UniProt (Q0P3K1) Pfam (PF00223) In PDB	Ostreococcus tauri	PSI-A,PsaA
8	B	Photosystem I P700 chlorophyll a apoprotein A2	polymer	733	81421.5	1	UniProt (Q0P3K2) Pfam (PF00223) In PDB	Ostreococcus tauri	PSI-B,PsaB
9	C	Photosystem I iron-sulfur center	polymer	81	8751.1	1	UniProt (Q0P3P1) Pfam (PF12838) In PDB	Ostreococcus tauri	9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC
10	D	Photosystem I reaction center subunit II, chloroplastic	polymer	188	20561.0	1	UniProt (A0A1Y5I5Y8) Pfam (PF02531) UniProt (by SIFTS) (A0A096PB86) In PDB	Ostreococcus tauri
11	E	Photosystem I reaction centre subunit IV	polymer	101	11278.9	1	UniProt (A0A454XT75) Pfam (PF02427) UniProt (by SIFTS) (Q01DV3) In PDB	Ostreococcus tauri
12	F	Photosystem I reaction center subunit III	polymer	231	24593.4	1	UniProt (Q01B61) Pfam (PF02507) In PDB	Ostreococcus tauri	PSI-F
13	G	PsaG	polymer	132	14125.0	1	UniProt (Q019T9) Pfam (PF01241) In PDB	Ostreococcus tauri
14	H	Photosystem I PsaH, reaction centre subunit VI	polymer	166	17797.9	1	UniProt (A0A096PAU9) Pfam (PF03244) In PDB	Ostreococcus tauri
15	I	Photosystem I reaction center subunit VIII	polymer	35	3766.6	1	UniProt (Q0P3K0) Pfam (PF00796) In PDB	Ostreococcus tauri	PSI-I
16	J	Photosystem I reaction center subunit IX	polymer	42	4731.6	1	UniProt (Q0P3J4) Pfam (PF01701) In PDB	Ostreococcus tauri	PSI-J
17	K	Photosystem I PsaG/PsaK protein	polymer	131	13573.5	1	UniProt (A0A096P8E8) Pfam (PF01241) In PDB	Ostreococcus tauri
18	L	PSI subunit V	polymer	204	21526.8	1	UniProt (A0A090M7B0) Pfam (PF02605) In PDB	Ostreococcus tauri
19	M	Photosystem I reaction center subunit XII	polymer	31	3413.1	1	UniProt (Q0P3J8) Pfam (PF07465) In PDB	Ostreococcus tauri	PSI-M
20	N	Photosystem I PsaN, reaction centre subunit N	polymer	139	14405.3	1	UniProt (A0A090N3J0) Pfam (PF05479) In PDB	Ostreococcus tauri
21	O	PsaO	polymer	136	15020.3	1	UniProt (A0A096P9N0) Pfam (PF22832) In PDB	Ostreococcus tauri
22	P, R, S, T, U...	Chlorophyll a-b binding protein, chloroplastic	polymer	233	24689.8	8	UniProt (Q3B9U7) Pfam (PF00504) In PDB	Ostreococcus tauri
23	Q	Chlorophyll a-b binding protein, chloroplastic	polymer	226	24161.3	1	UniProt (A0A090LYE8) Pfam (PF00504) In PDB	Ostreococcus tauri
24	W, R, T, 1, 2...	CHLOROPHYLL B	non-polymer		907.5	60	Chemie (CHL)
25	2, 6, A, B, O...	CHLOROPHYLL A	non-polymer		893.5	245	Chemie (CLA)
26	3, P, U, 6, Q...	(3~{E},5~{E},7~{E},9~{E},11~{E},13~{E},15~{E},17~{E})-1-[(1~{S},4~{S})-2,2-dimethyl-6-methylidene-1,4-bis(oxidanyl)cyclohexyl]-3,7,12,16-tetramethyl-18-[(1~{R},4~{R})-2,6,6-trimethyl-4-oxidanyl-cyclohex-2-en-1-yl]octadeca-3,5,7,9,11,13,15,17-octaen-2-one	non-polymer		600.9	23	Chemie (IWJ)
27	4, 3, 6, 2, 5...	(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	6	Chemie (XAT)
28	A, Q, 6, 3, 2...	1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE	non-polymer		723.0	10	Chemie (LHG)
29	U, P, O, T, 2...	(1~{S})-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-[(1~{R},4~{R})-2,6,6-trimethyl-4-oxidanyl-cyclohex-2-en-1-yl]octadeca-3,5,7,9,11,13,15,17-octaenyl]cyclohex-3-en-1-ol	non-polymer		570.9	39	Chemie (Q6L)
30	4, A, I, 3, J...	BETA-CAROTENE	non-polymer		536.9	30	Chemie (BCR)
31	J, A, O, 2, B...	1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE	non-polymer		787.2	11	Chemie (LMG)
32	6, H	1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL	non-polymer		795.1	2	Chemie (SQD)
33	A	CHLOROPHYLL A ISOMER	non-polymer		893.5	1	Chemie (CL0)
34	B, A	PHYLLOQUINONE	non-polymer		450.7	2	Chemie (PQN)
35	A, C	IRON/SULFUR CLUSTER	non-polymer		351.6	3	Chemie (SF4)
36	A, B	DIGALACTOSYL DIACYL GLYCEROL (DGDG)	non-polymer		949.3	2	Chemie (DGD)
37	H, T, S, W, R...	(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	6	Chemie (NEX)
38	S, X, W, R, V...	Chlorophyll c2	non-polymer		608.9	9	Chemie (KC2)
39		water	water		18.0	4	Chemie (HOH)

Sequence modifications

Q: 29 - 253 (UniProt: A0A090LYE8)

PDB	External Database	Details
Ace 28	-	acetylation

Contents of the asymmetric unit

Polymers	Number of chains	30
	Total formula weight	715928.4
Non-Polymers*	Number of molecules	449
	Total formula weight	360461.8
All*	Total formula weight	1076390.2

*Water molecules are not included.