2HHK

Reaction centre from Rhodobacter sphaeroides strain R-26.1 complexed with dibrominated phosphatidylglycerol

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	BACTERIOCHLOROPHYLL A	non-polymer		911.5	4	Chemie (BCL)
5	L, M	BACTERIOPHEOPHYTIN A	non-polymer		889.2	2	Chemie (BPH)
6	L, M	UBIQUINONE-10	non-polymer		863.3	2	Chemie (U10)
7	H, L	GLYCEROL	non-polymer		92.1	4	Chemie (GOL)
8	M	FE (III) ION	non-polymer		55.8	1	Chemie (FE)
9	M	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
10	M, H	PHOSPHATE ION	non-polymer		95.0	4	Chemie (PO4)
11	M	CARDIOLIPIN	non-polymer		1464.0	1	Chemie (CDL)
12	M	(1R)-2-{[{[(2R)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (9S,10S)-9,10-DIBROMOOCTADECANOATE	non-polymer		908.8	1	Chemie (PGK)
13	H, M	LAURYL DIMETHYLAMINE-N-OXIDE	non-polymer		229.4	6	Chemie (LDA)
14	H	POTASSIUM ION	non-polymer		39.1	1	Chemie (K)
15	H	(1S)-2-{[{[(2R)-2,3-DIHYDROXYPROPYL]OXY}(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL STEARATE	non-polymer		751.0	1	Chemie (PGT)
16		water	water		18.0	410	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	93811.3
Non-Polymers*	Number of molecules	28
	Total formula weight	12530.1
All*	Total formula weight	106341.3

*Water molecules are not included.