1FI7

Solution structure of the imidazole complex of cytochrome C

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	CYTOCHROME C	polymer	104	11725.6	1	UniProt (P00004) Pfam (PF00034) In PDB	Equus caballus (horse)
2	A	IMIDAZOLE	non-polymer		69.1	1	Chemie (IMD)
3	A	HEME C	non-polymer		618.5	1	Chemie (HEC)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	11725.6
Non-Polymers*	Number of molecules	2
	Total formula weight	687.6
All*	Total formula weight	12413.2

*Water molecules are not included.