6YAC

Plant PSI-ferredoxin supercomplex

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	743	82571.5	1	UniProt (A0A0F6NFW5) Pfam (PF00223)	Pisum sativum (Pea)	PSI-A,PsaA
2	B (B)	Photosystem I P700 chlorophyll a apoprotein A2	polymer	733	82381.7	1	UniProt (A0A0F6NGI2) Pfam (PF00223)	Pisum sativum (Pea)	PSI-B,PsaB
3	C (C)	Photosystem I iron-sulfur center	polymer	80	8860.3	1	UniProt (P10793) Pfam (PF14697)	Pisum sativum (Pea)	9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC
4	D (D)	PsaD	polymer	143	16041.4	1	Pfam (PF02531) UniProt (by SIFTS) (E1C9K8)	Pisum sativum (Pea)
5	E (E)	PsaE	polymer	66	7479.4	1	Pfam (PF02427) UniProt (by SIFTS) (E1C9K6)	Pisum sativum (Pea)
6	F (F)	PsaF	polymer	154	17137.9	1	Pfam (PF02507) UniProt (by SIFTS) (A0A0M3KL12)	Pisum sativum (Pea)
7	G (G)	PsaG	polymer	97	10678.0	1		Pisum sativum (Pea)
8	H (H)	PsaH	polymer	88	9491.7	1	Pfam (PF03244) UniProt (by SIFTS) (A0A0M3KL10)	Pisum sativum (Pea)
9	I (I)	Photosystem I reaction center subunit VIII	polymer	31	3409.2	1	UniProt (P17227) Pfam (PF00796)	Pisum sativum (Pea)	PSI-I
10	J (J)	Photosystem I reaction center subunit IX	polymer	42	4767.6	1	UniProt (D5MAL3) Pfam (PF01701)	Pisum sativum (Pea)	PSI-J
11	K (K)	Photosystem I reaction center subunit X psaK	polymer	81	8135.5	1	UniProt (E1C9L3) Pfam (PF01241)	Pisum sativum (Pea)
12	L (L)	PsaL	polymer	157	16565.0	1	Pfam (PF02605) UniProt (by SIFTS) (E1C9L1)	Pisum sativum (Pea)
13	M (1)	Lhca1	polymer	193	21335.4	1		Pisum sativum (Pea)
14	N (2)	Chlorophyll a-b binding protein, chloroplastic	polymer	208	22845.8	1	UniProt (Q41038) Pfam (PF00504)	Pisum sativum (Pea)
15	O (3)	Chlorophyll a-b binding protein 3, chloroplastic	polymer	221	24139.5	1	UniProt (Q32904) Pfam (PF00504)	Pisum sativum (Pea)	LHCII type III CAB-3
16	P (4)	Chlorophyll a-b binding protein P4, chloroplastic	polymer	198	21994.0	1	UniProt (Q9SQL2) Pfam (PF00504)	Pisum sativum (Pea)	LHCI type III CAB-P4
17	Q (N)	Ferredoxin-1, chloroplastic	polymer	97	10359.3	1	UniProt (P09911) Pfam (PF00111)	Pisum sativum (Pea)	Ferredoxin I
18	R (A)	CHLOROPHYLL A ISOMER	non-polymer		893.5	1	Chemie (CL0)
19	AA, AB, AC, AD, AG... (A, B, 1, 2, 3...)	CHLOROPHYLL A	non-polymer		893.5	141	Chemie (CLA)
20	JB, MD (A, B)	PHYLLOQUINONE	non-polymer		450.7	2	Chemie (PQN)
21	BE, CE, KB (C, A)	IRON/SULFUR CLUSTER	non-polymer		351.6	3	Chemie (SF4)
22	AF, CF, FE, GE, KF... (I, J, F, K, A...)	BETA-CAROTENE	non-polymer		536.9	27	Chemie (BCR)
23	CI, DH, JG, JH, RB... (3, 2, 1, A, B)	1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE	non-polymer		723.0	8	Chemie (LHG)
24	FF, TB, UE, VE, XD... (J, A, G, B)	DODECYL-BETA-D-MALTOSIDE	non-polymer		510.6	6	Chemie (LMT)
25	DI, EH, FH, GH, HE... (3, 2, F, 1, G...)	1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE	non-polymer		787.2	19	Chemie (LMG)
26	AE, VB (B, A)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
27	EF, EI, LE, LG, TE... (J, 3, F, 1, G...)	DIGALACTOSYL DIACYL GLYCEROL (DGDG)	non-polymer		949.3	8	Chemie (DGD)
28	DF, FI, KH, LH, MG... (J, 4, 3, 2, 1)	(3R,3'R,6S)-4,5-DIDEHYDRO-5,6-DIHYDRO-BETA,BETA-CAROTENE-3,3'-DIOL	non-polymer		568.9	7	Chemie (LUT)
29	BH, CH, DG, EG, GG... (2, 1, 3, 4)	CHLOROPHYLL B	non-polymer		907.5	15	Chemie (CHL)
30	GI, NG (4, 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	2	Chemie (XAT)
31	HI (4)	(1~{S})-3,5,5-trimethyl-4-[(1~{E},3~{E},5~{E},7~{E},9~{E},11~{E},13~{E},15~{E},17~{E})-3,7,12,16-tetramethyl-18-[(4~{S})-2,6,6-trimethyl-4-oxidanyl-cyclohexen-1-yl]octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]cyclohex-3-en-1-ol	non-polymer		568.9	1	Chemie (C7Z)
32	ZI (N)	FE2/S2 (INORGANIC) CLUSTER	non-polymer		175.8	1	Chemie (FES)
33	AJ, BJ, CJ, DJ, EJ... (A, B, C, D, F...)	water	water		18.0	56	Chemie (HOH)

Sequence modifications

J: 1 - 42 (UniProt: D5MAL3)

PDB	External Database	Details
Phe 32	Leu 32	conflict

K: 46 - 126 (UniProt: E1C9L3)

PDB	External Database	Details
Ala 86	Val 42	conflict

4: 52 - 249 (UniProt: Q9SQL2)

PDB	External Database	Details
Lys 89	Arg 89	conflict
Asp 128	Ala 128	conflict
Phe 149	Ser 149	conflict

Contents of the asymmetric unit

Polymers	Number of chains	17
	Total formula weight	368193.3
Non-Polymers*	Number of molecules	243
	Total formula weight	194345.9
All*	Total formula weight	562539.2

*Water molecules are not included.