1GN3

H145Q mutant of Mycobacterium tuberculosis iron-superoxide dismutase.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	SUPEROXIDE DISMUTASE	polymer	207	23050.8	2	UniProt (P17670) Pfam (PF00081) Pfam (PF02777) UniProt (by SIFTS) (P9WGE7) In PDB	MYCOBACTERIUM TUBERCULOSIS
2	A, B	FE (III) ION	non-polymer		55.8	2	Chemie (FE)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	46101.7
Non-Polymers*	Number of molecules	2
	Total formula weight	111.7
All*	Total formula weight	46213.4

*Water molecules are not included.