4MPM

Wild-type human neuroglobin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Neuroglobin	polymer	151	16951.4	2	UniProt (Q9NPG2) Pfam (PF00042) In PDB	Homo sapiens (human)
2	A, B	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	2	Chemie (HEM)
3		water	water		18.0	246	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	33902.7
Non-Polymers*	Number of molecules	2
	Total formula weight	1233.0
All*	Total formula weight	35135.7

*Water molecules are not included.