1BBH

ATOMIC STRUCTURE OF A CYTOCHROME C' WITH AN UNUSUAL LIGAND-CONTROLLED DIMER DISSOCIATION AT 1.8 ANGSTROMS RESOLUTION

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 C'	polymer	131	13806.4	2	UniProt (P00154) Pfam (PF01322) In PDB	Allochromatium vinosum
2	A, B	HEME C	non-polymer		618.5	2	Chemie (HEC)
3		water	water		18.0	221	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	27612.9
Non-Polymers*	Number of molecules	2
	Total formula weight	1237.0
All*	Total formula weight	28849.9

*Water molecules are not included.