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STRUCTURE-FUNCTION IN E. COLI IRON SUPEROXIDE DISMUTASE: COMPARISONS WITH THE MANGANESE ENZYME FROM T. THERMOPHILUS

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)	IRON(III) SUPEROXIDE DISMUTASE	polymer	192	21154.5	2	UniProt (P09157) Pfam (PF00081) Pfam (PF02777) UniProt (by SIFTS) (P0AGD3)	Escherichia coli
2	C, E (A, B)	FE (III) ION	non-polymer		55.8	2	Chemie (FE)
3	D, F (A, B)	AZIDE ION	non-polymer		42.0	2	Chemie (AZI)
4	G, H (A, B)	water	water		18.0	270	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	42309.0
Non-Polymers*	Number of molecules	4
	Total formula weight	195.7
All*	Total formula weight	42504.7

*Water molecules are not included.