2WX5

Hexa-coordination of a bacteriochlorophyll cofactor in the Rhodobacter sphaeroides reaction centre

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	H	REACTION CENTER PROTEIN H CHAIN	polymer	260	28066.3	1	UniProt (P0C0Y7) Pfam (PF03967) Pfam (PF05239) UniProt (by SIFTS) (Q3J170) In PDB	RHODOBACTER SPHAEROIDES	PHOTOSYNTHETIC REACTION CENTER H SUBUNIT
2	L	REACTION CENTRE PROTEIN L CHAIN	polymer	281	31356.4	1	UniProt (P0C0Y8) Pfam (PF00124) UniProt (by SIFTS) (Q3J1A5) In PDB	RHODOBACTER SPHAEROIDES	PHOTOSYNTHETIC REACTION CENTRE L SUBUNIT
3	M	REACTION CENTRE PROTEIN M CHAIN	polymer	307	34398.5	1	UniProt (P0C0Y9) Pfam (PF00124) UniProt (by SIFTS) (Q3J1A6) In PDB	RHODOBACTER SPHAEROIDES	PHOTOSYNTHETIC REACTION CENTRE M SUBUNIT
4	H, M	LAURYL DIMETHYLAMINE-N-OXIDE	non-polymer		229.4	6	Chemie (LDA)
5	H, M	SODIUM ION	non-polymer		23.0	2	Chemie (NA)
6	L, M	BACTERIOCHLOROPHYLL A	non-polymer		911.5	4	Chemie (BCL)
7	L	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
8	L, M	HEPTANE-1,2,3-TRIOL	non-polymer		148.2	3	Chemie (HTO)
9	L, M	BACTERIOPHEOPHYTIN A	non-polymer		889.2	2	Chemie (BPH)
10	M	CARDIOLIPIN	non-polymer		1464.0	1	Chemie (CDL)
11	M	FE (III) ION	non-polymer		55.8	1	Chemie (FE)
12	M	SPEROIDENONE	non-polymer		595.0	1	Chemie (SPN)
13	M	UBIQUINONE-10	non-polymer		863.3	1	Chemie (U10)
14		water	water		18.0	292	Chemie (HOH)

Sequence modifications

L: 1 - 281 (UniProt: P0C0Y8)

PDB	External Database	Details
Arg 181	Phe 182	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	93821.3
Non-Polymers*	Number of molecules	23
	Total formula weight	10453.9
All*	Total formula weight	104275.1

*Water molecules are not included.