1KIB

cytochrome c6 from Arthrospira maxima: an assembly of 24 subunits in the form of an oblate shell

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, E...	cytochrome c6	polymer	89	9246.4	8	UniProt (P00118) Pfam (PF13442) In PDB	Arthrospira maxima	Soluble cytochrome F, Cytochrome C553
2	A, B, C, D, E...	HEME C	non-polymer		618.5	8	Chemie (HEC)

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	73971.0
Non-Polymers*	Number of molecules	8
	Total formula weight	4948.0
All*	Total formula weight	78919.0

*Water molecules are not included.