3ZCF

Structure of recombinant human 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, B, C, D	CYTOCHROME C	polymer	104	11640.6	4	UniProt (P99999) Pfam (PF00034) In PDB	HOMO SAPIENS (HUMAN)
2	A, B, C, D	HEME C	non-polymer		618.5	4	Chemie (HEC)
3		water	water		18.0	344	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	46562.3
Non-Polymers*	Number of molecules	4
	Total formula weight	2474.0
All*	Total formula weight	49036.3

*Water molecules are not included.