1GN2

S123C mutant of the iron-superoxide dismutase from Mycobacterium tuberculosis.

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...	SUPEROXIDE DISMUTASE	polymer	207	23076.9	8	UniProt (P17670) Pfam (PF00081) Pfam (PF02777) UniProt (by SIFTS) (P9WGE7) In PDB	MYCOBACTERIUM TUBERCULOSIS
2	A, B, C, D, E...	FE (III) ION	non-polymer		55.8	8	Chemie (FE)

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	184615.4
Non-Polymers*	Number of molecules	8
	Total formula weight	446.8
All*	Total formula weight	185062.2

*Water molecules are not included.