1F1C

CRYSTAL STRUCTURE OF CYTOCHROME C549

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	CYTOCHROME C549	polymer	129	14212.0	2	UniProt (P82603) Pfam (PF14495) In PDB	Arthrospira maxima
2	A, B	HEME C	non-polymer		618.5	2	Chemie (HEC)
3		water	water		18.0	17	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	28424.1
Non-Polymers*	Number of molecules	2
	Total formula weight	1237.0
All*	Total formula weight	29661.1

*Water molecules are not included.