6Z27

Photosynthetic Reaction Center From Rhodobacter Sphaeroides strain RV LCP crystallization

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	250	27047.1	1	UniProt (P0C0Y7) Pfam (PF03967) Pfam (PF05239) In PDB	Rhodobacter sphaeroides	Photosynthetic reaction center H subunit
2	L	Reaction center protein L chain	polymer	281	31360.4	1	UniProt (P0C0Y8) Pfam (PF00124) In PDB	Rhodobacter sphaeroides	Photosynthetic reaction center L subunit
3	M	Reaction center protein M chain	polymer	302	33885.9	1	UniProt (P0C0Y9) Pfam (PF00124) In PDB	Rhodobacter sphaeroides	Photosynthetic reaction center M subunit
4	H, L, M	LAURYL DIMETHYLAMINE-N-OXIDE	non-polymer		229.4	7	Chemie (LDA)
5	M, H	PHOSPHATE ION	non-polymer		95.0	8	Chemie (PO4)
6	L, M	(2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate	non-polymer		356.5	2	Chemie (OLC)
7	L, M	BACTERIOCHLOROPHYLL A	non-polymer		911.5	4	Chemie (BCL)
8	L, M	BACTERIOPHEOPHYTIN A	non-polymer		889.2	2	Chemie (BPH)
9	M	FE (III) ION	non-polymer		55.8	1	Chemie (FE)
10	M	UBIQUINONE-10	non-polymer		863.3	1	Chemie (U10)
11	M	1,2-ETHANEDIOL	non-polymer		62.1	1	Chemie (EDO)
12		water	water		18.0	161	Chemie (HOH)

Sequence modifications

L: 1 - 281 (UniProt: P0C0Y8)

PDB	External Database	Details
Thr 178	Ser 179	engineered mutation

M: 1 - 302 (UniProt: P0C0Y9)

PDB	External Database	Details
Thr 8	Ser 9	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	92293.4
Non-Polymers*	Number of molecules	26
	Total formula weight	9484.4
All*	Total formula weight	101777.8

*Water molecules are not included.