7WNK

Crystal structure of a mutant Staphylococcus equorum manganese superoxide dismutase K38R and A121E

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	Superoxide dismutase	polymer	205	23588.1	4	UniProt (A0A1E5TT85) Pfam (PF00081) Pfam (PF02777) In PDB	Staphylococcus equorum
2	A, B, C, D	MANGANESE (II) ION	non-polymer		54.9	4	Chemie (MN)
3	A, D	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	2	Chemie (PEG)
4	B, C, D	AZIDE ION	non-polymer		42.0	5	Chemie (AZI)
5	D	BROMIDE ION	non-polymer		79.9	1	Chemie (BR)
6		water	water		18.0	875	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 199 (UniProt: A0A1E5TT85)

PDB	External Database	Details
Arg 13	Asp 13	engineered mutation
Arg 38	Lys 38	engineered mutation
Glu 121	Ala 121	engineered mutation
His 200	-	expression tag
His 201	-	expression tag
His 202	-	expression tag
His 203	-	expression tag
His 204	-	expression tag
His 205	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	94352.3
Non-Polymers*	Number of molecules	12
	Total formula weight	722.0
All*	Total formula weight	95074.3

*Water molecules are not included.