3AK2

Superoxide dismutase from Aeropyrum pernix K1, Mn-bound form

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 (A, B, C, D)	Superoxide dismutase [Mn/Fe]	polymer	214	24609.3	4	UniProt (Q9Y8H8) Pfam (PF00081) Pfam (PF02777)	Aeropyrum pernix
2	E, K, P, U (A, B, C, D)	MANGANESE (II) ION	non-polymer		54.9	4	Chemie (MN)
3	F, G, H, I, J... (A, B, C, D)	1,2-ETHANEDIOL	non-polymer		62.1	18	Chemie (EDO)
4	AA, BA, CA, DA (A, B, C, D)	water	water		18.0	734	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	98437.1
Non-Polymers*	Number of molecules	22
	Total formula weight	1337.0
All*	Total formula weight	99774.1

*Water molecules are not included.