9YL7

Structure of photosystem I with plastoquinone-9 bound

This is a non-PDB format compatible entry.

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	751	83036.4	1	UniProt (P29254)	Synechocystis sp. PCC 6803	PsaA
2	B (B)	Photosystem I P700 chlorophyll a apoprotein A2	polymer	731	81369.5	1	UniProt (P29255)	Synechocystis sp. PCC 6803	PsaB
3	C (C)	Photosystem I iron-sulfur center	polymer	81	8837.3	1	UniProt (P32422)	Synechocystis sp. PCC 6803	9 kDa polypeptide,PSI-C,Photosystem I subunit VII,PsaC
4	D (D)	Photosystem I reaction center subunit II	polymer	141	15663.7	1	UniProt (P19569)	Synechocystis sp. PCC 6803	Photosystem I 16 kDa polypeptide,PSI-D
5	E (E)	Photosystem I reaction center subunit IV	polymer	74	8154.1	1	UniProt (P12975)	Synechocystis sp. PCC 6803	Photosystem I 8.1 kDa protein,p30 protein
6	F (F)	Photosystem I reaction center subunit III	polymer	165	18267.1	1	UniProt (P29256)	Synechocystis sp. PCC 6803	PSI-F
7	G (I)	Photosystem I reaction center subunit VIII	polymer	40	4414.1	1	UniProt (Q55330)	Synechocystis sp. PCC 6803
8	H (J)	Photosystem I reaction center subunit IX	polymer	40	4535.4	1	UniProt (Q55329)	Synechocystis sp. PCC 6803
9	I (K)	Photosystem I reaction center subunit PsaK 1	polymer	86	8656.3	1	UniProt (P72712)	Synechocystis sp. PCC 6803	Photosystem I subunit X 1
10	J (L)	Photosystem I reaction center subunit XI	polymer	157	16631.8	1	UniProt (P37277)	Synechocystis sp. PCC 6803	PSI subunit V,PSI-L
11	K (M)	Photosystem I reaction center subunit XII	polymer	31	3382.1	1	UniProt (P72986)	Synechocystis sp. PCC 6803	PSI-M
12	AA, AC, AE, BA, BB... (A, B, J, K, L...)	CHLOROPHYLL A	non-polymer		893.5	95	Chemie (CLA)
13	M (A)	CHLOROPHYLL A ISOMER	non-polymer		893.5	1	Chemie (CL0)
14	SA, SD, TD (A, C)	IRON/SULFUR CLUSTER	non-polymer		351.6	3	Chemie (SF4)
15	AD, DE, EE, FD, GE... (B, J, K, L, A...)	BETA-CAROTENE	non-polymer		536.9	19	Chemie (BCR) PubChem (5280489) PubChem (86765360) PubChem (173398668)
16	IB, PD, XA, YE (A, B, M)	1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE	non-polymer		723.0	4	Chemie (LHG)
17	BD, JB, YA (B, A)	1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE	non-polymer		787.2	3	Chemie (LMG) PubChem (446441)
18	AB, DD, ED, FE, LB... (A, B, J, L, F)	DODECYL-BETA-D-MALTOSIDE	non-polymer		510.6	8	Chemie (LMT) PubChem (114880)
19	MB (A)	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	1	Chemie (PL9)
20	OB (A)	beta,beta-carotene-4,4'-dione	non-polymer		564.8	1	Chemie (45D)
21	PB (A)	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL) PubChem (312)
22	VC (B)	2,3-dimethyl-5-[(2E,7R,11R)-3,7,11,15-tetramethylhexadec-2-en-1-yl]cyclohexa-2,5-diene-1,4-dione	non-polymer		414.7	1	Chemie (A1AGD)
23	WE, XC (M, B)	beta,beta-caroten-4-one	non-polymer		550.9	2	Chemie (ECH)
24	CD, OE (B, L)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA) PubChem (271)
25	NE (L)	(3'R)-3'-hydroxy-beta,beta-caroten-4-one	non-polymer		566.9	1	Chemie (EQ3) PubChem (16061233)
26	UE (L)	DIGALACTOSYL DIACYL GLYCEROL (DGDG)	non-polymer		949.3	1	Chemie (DGD) PubChem (15991538)
27	XE (M)	1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL	non-polymer		795.1	1	Chemie (SQD) PubChem (25147486)
28	AF, BF, CF, DF, EF... (B, C, D, E, F...)	water	water		18.0	793	Chemie (HOH)

Sequence modifications

K: 1 - 86 (UniProt: P72712)

PDB	External Database	Details
Phe 37	Leu 37	conflict
Ser 43	Asn 43	conflict

Contents of the asymmetric unit

Polymers	Number of chains	11
	Total formula weight	252947.8
Non-Polymers*	Number of molecules	144
	Total formula weight	111626.0
All*	Total formula weight	364573.8

*Water molecules are not included.