2UWS

X-ray high resolution structure of the photosynthetic reaction center from Rb. sphaeroides at pH 6.5 in the charge-separated state

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (H)	REACTION CENTER PROTEIN H CHAIN	polymer	260	28066.3	1	UniProt (P0C0Y7)	RHODOBACTER SPHAEROIDES	PHOTOSYNTHETIC REACTION CENTER H SUBUNIT
2	B (L)	REACTION CENTER PROTEIN L CHAIN	polymer	281	31346.4	1	UniProt (P0C0Y8)	RHODOBACTER SPHAEROIDES	PHOTOSYNTHETIC REACTION CENTER L SUBUNIT
3	C (M)	REACTION CENTER PROTEIN M CHAIN	polymer	307	34398.5	1	UniProt (P0C0Y9)	RHODOBACTER SPHAEROIDES	PHOTOSYNTHETIC REACTION CENTER M SUBUNIT
4	AA, D, E, M, N (M, H, L)	GLYCEROL	non-polymer		92.1	5	Chemie (GOL) PubChem (753)
5	F, H, Q, R, S... (L, M)	LAURYL DIMETHYLAMINE-N-OXIDE	non-polymer		229.4	8	Chemie (LDA) PubChem (15433)
6	G, K, O, P (L, M)	BACTERIOCHLOROPHYLL A	non-polymer		911.5	4	Chemie (BCL)
7	I, X (L, M)	BACTERIOPHEOPHYTIN A	non-polymer		889.2	2	Chemie (BPH)
8	J (L)	UBIQUINONE-2	non-polymer		318.4	1	Chemie (UQ2) PubChem (119058) PubChem (6119896) PubChem (5280346)
9	L (L)	PHOSPHATE ION	non-polymer		95.0	1	Chemie (PO4) PubChem (1061)
10	W (M)	FE (III) ION	non-polymer		55.8	1	Chemie (FE) PubChem (29936)
11	Y (M)	UBIQUINONE-10	non-polymer		863.3	1	Chemie (U10)
12	Z (M)	SPHEROIDENE	non-polymer		568.9	1	Chemie (SPO) PubChem (166928) PubChem (448343) PubChem (6368932) PubChem (20055173) PubChem (20056891) PubChem (155926559) PubChem (5289392) PubChem (172677795) PubChem (101155241) PubChem (101155242) PubChem (101155243)
13	BA, CA, DA (H, L, M)	water	water		18.0	170	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	93811.3
Non-Polymers*	Number of molecules	24
	Total formula weight	9621.6
All*	Total formula weight	103432.9

*Water molecules are not included.