7MH8

Crystal structure of R. sphaeroides Photosynthetic Reaction Center variant; Y(M210)3-methyltyrosine

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	266	28923.2	1	UniProt (P0C0Y7) Pfam (PF03967) Pfam (PF05239) UniProt (by SIFTS) (Q3J170) In PDB	Rhodobacter sphaeroides (Rhodopseudomonas sphaeroides)	Photosynthetic reaction center H subunit
2	L	Reaction center protein L chain	polymer	282	31477.6	1	UniProt (P0C0Y8) Pfam (PF00124) UniProt (by SIFTS) (Q3J1A5) In PDB	Rhodobacter sphaeroides (Rhodopseudomonas sphaeroides)	Photosynthetic reaction center L subunit
3	M	Reaction center protein M chain	polymer	308	34543.8	1	UniProt (P0C0Y9) Pfam (PF00124) UniProt (by SIFTS) (Q3J1A6) In PDB	Rhodobacter sphaeroides (Rhodopseudomonas sphaeroides)	Photosynthetic reaction center M subunit
4	H, M	LAURYL DIMETHYLAMINE-N-OXIDE	non-polymer		229.4	5	Chemie (LDA)
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	M	FE (III) ION	non-polymer		55.8	1	Chemie (FE)
9	M	SPHEROIDENE	non-polymer		568.9	1	Chemie (SPO)
10	M	CARDIOLIPIN	non-polymer		1464.0	1	Chemie (CDL)
11		water	water		18.0	132	Chemie (HOH)

Sequence modifications

H: 1 - 259 (UniProt: P0C0Y7)

PDB	External Database	Details
Val 260	-	expression tag
His 261	-	expression tag
His 262	-	expression tag
His 263	-	expression tag
His 264	-	expression tag
His 265	-	expression tag
His 266	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	94944.6
Non-Polymers*	Number of molecules	16
	Total formula weight	10386.9
All*	Total formula weight	105331.5

*Water molecules are not included.