1CYC

THE CRYSTAL STRUCTURE OF BONITO (KATSUO) FERROCYTOCHROME C AT 2.3 ANGSTROMS RESOLUTION. II. STRUCTURE AND FUNCTION

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)	FERROCYTOCHROME C	polymer	103	11404.1	2	UniProt (P00025) Pfam (PF00034)	Katsuwonus pelamis (skipjack tuna)
2	C, D (A, B)	HEME C	non-polymer		618.5	2	Chemie (HEC)
3	E (A)	water	water		18.0	1	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	22808.2
Non-Polymers*	Number of molecules	2
	Total formula weight	1237.0
All*	Total formula weight	24045.2

*Water molecules are not included.