2HG3

Reaction centre from Rhodobacter sphaeroides strain R-26.1 complexed with brominated phosphatidylcholine

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	L	Reaction center protein L chain	polymer	281	31346.4	1	UniProt (P0C0Y8) Pfam (PF00124) In PDB	Rhodobacter sphaeroides	Photosynthetic reaction center L subunit
2	M	Reaction center protein M chain	polymer	307	34398.5	1	UniProt (P0C0Y9) Pfam (PF00124) In PDB	Rhodobacter sphaeroides	Photosynthetic reaction center M subunit
3	H	Reaction center protein H chain	polymer	260	28066.3	1	UniProt (P0C0Y7) Pfam (PF03967) Pfam (PF05239) In PDB	Rhodobacter sphaeroides	Photosynthetic reaction center H subunit
4	L, M	PHOSPHATE ION	non-polymer		95.0	4	Chemie (PO4)
5	L, M	BACTERIOCHLOROPHYLL A	non-polymer		911.5	4	Chemie (BCL)
6	L, M	BACTERIOPHEOPHYTIN A	non-polymer		889.2	2	Chemie (BPH)
7	L, M	UBIQUINONE-10	non-polymer		863.3	2	Chemie (U10)
8	L	HEPTANE-1,2,3-TRIOL	non-polymer		148.2	1	Chemie (HTO)
9	M, H, L	LAURYL DIMETHYLAMINE-N-OXIDE	non-polymer		229.4	10	Chemie (LDA)
10	H, L	GLYCEROL	non-polymer		92.1	4	Chemie (GOL)
11	M	FE (III) ION	non-polymer		55.8	1	Chemie (FE)
12	M	CARDIOLIPIN	non-polymer		1464.0	1	Chemie (CDL)
13	M	(7R,14S)-14,15-DIBROMO-4-HYDROXY-N,N,N-TRIMETHYL-9-OXO-7-[(PALMITOYLOXY)METHYL]-3,5,8-TRIOXA-4-PHOSPHAHEXACOSAN-1-AMINIUM 4-OXIDE	non-polymer		920.9	2	Chemie (PC9)
14	H	POTASSIUM ION	non-polymer		39.1	1	Chemie (K)
15		water	water		18.0	452	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	93811.3
Non-Polymers*	Number of molecules	32
	Total formula weight	13742.4
All*	Total formula weight	107553.6

*Water molecules are not included.