1GYO

Crystal structure of the di-tetraheme cytochrome c3 from Desulfovibrio gigas at 1.2 Angstrom resolution

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	CYTOCHROME C3, A DIMERIC CLASS III C-TYPE CYTOCHROME	polymer	109	12240.9	2	UniProt (Q9R638)	DESULFOVIBRIO GIGAS	DIMERIC CYTOCHROME C3
2	C, D, E, F, G... (A, B)	HEME C	non-polymer		618.5	8	Chemie (HEC)
3	K, L (B)	GLYCEROL	non-polymer		92.1	2	Chemie (GOL) PubChem (753)
4	M, N (A, B)	water	water		18.0	280	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	24481.7
Non-Polymers*	Number of molecules	10
	Total formula weight	5132.2
All*	Total formula weight	29613.9

*Water molecules are not included.