3VHB

IMIDAZOLE ADDUCT OF THE BACTERIAL HEMOGLOBIN FROM VITREOSCILLA SP.

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)	PROTEIN (HEMOGLOBIN)	polymer	146	15790.3	2	UniProt (P04252) Pfam (PF00042)	Vitreoscilla stercoraria	SOLUBLE CYTOCHROME O
2	C, E (A, B)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	2	Chemie (HEM)
3	D, F (A, B)	IMIDAZOLE	non-polymer		69.1	2	Chemie (IMD)
4	G, H (A, B)	water	water		18.0	87	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	31580.5
Non-Polymers*	Number of molecules	4
	Total formula weight	1371.1
All*	Total formula weight	32951.7

*Water molecules are not included.