7WNL

Crystal structure of a mutant Staphylococcus equorum manganese superoxide dismutase K38R and A121Y

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	polymer	205	23622.1	4	UniProt (A0A1E5TT85) Pfam (PF00081) Pfam (PF02777)	Staphylococcus equorum
2	E, K (A, C)	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	2	Chemie (PEG)
3	F, I, J, M (A, B, C, D)	MANGANESE (II) ION	non-polymer		54.9	4	Chemie (MN)
4	G, L (A, C)	BROMIDE ION	non-polymer		79.9	2	Chemie (BR)
5	H (B)	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL	non-polymer		122.1	1	Chemie (TRS)
6	N (D)	AZIDE ION	non-polymer		42.0	1	Chemie (AZI)
7	O, P, Q, R (A, B, C, D)	water	water		18.0	1166	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
Tyr 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	94488.6
Non-Polymers*	Number of molecules	10
	Total formula weight	756.0
All*	Total formula weight	95244.5

*Water molecules are not included.