7Q7F

Room temperature structure of the Rhodobacter Sphaeroides Photosynthetic Reaction Center F(M197)H mutant at atmospheric pressure

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	241	26170.1	1	UniProt (P0C0Y7) Pfam (PF03967) Pfam (PF05239)	Cereibacter sphaeroides	Photosynthetic reaction center H subunit
2	B (L)	Reaction center protein L chain	polymer	281	31360.4	1	UniProt (P0C0Y8) Pfam (PF00124)	Cereibacter sphaeroides	Photosynthetic reaction center L subunit
3	C (M)	Reaction center protein M chain	polymer	302	33876.9	1	UniProt (P0C0Y9) Pfam (PF00124)	Cereibacter sphaeroides	Photosynthetic reaction center M subunit
4	D, E, F, K, L... (H, L, M)	LAURYL DIMETHYLAMINE-N-OXIDE	non-polymer		229.4	9	Chemie (LDA)
5	G, N (L, M)	BACTERIOPHEOPHYTIN A	non-polymer		889.2	2	Chemie (BPH)
6	H, I, P, Q (L, M)	BACTERIOCHLOROPHYLL A	non-polymer		911.5	4	Chemie (BCL)
7	J, V (L, M)	(2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate	non-polymer		356.5	2	Chemie (OLC)
8	O (M)	UBIQUINONE-7	non-polymer		659.0	1	Chemie (UQ7)
9	R (M)	FE (III) ION	non-polymer		55.8	1	Chemie (FE)
10	U, Y (M)	PHOSPHATE ION	non-polymer		95.0	2	Chemie (PO4)
11	W (M)	SPEROIDENONE	non-polymer		595.0	1	Chemie (SPN)
12	Z (M)	CITRIC ACID	non-polymer		192.1	1	Chemie (CIT)
13	AA (M)	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
14	BA, CA, DA (H, L, M)	water	water		18.0	154	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
His 197	Phe 198	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	91407.4
Non-Polymers*	Number of molecules	24
	Total formula weight	9929.5
All*	Total formula weight	101336.9

*Water molecules are not included.