2KV1

Insights into Function, Catalytic Mechanism and Fold Evolution of Mouse Selenoprotein Methionine Sulfoxide Reductase B1 through Structural Analysis

Replaces:  2KAO

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Methionine-R-sulfoxide reductase B1	polymer	124	13831.6	1	UniProt (Q9JLC3) Pfam (PF01641)	Mus musculus (mouse)	MsrB1, Selenoprotein X, SelX, Selenoprotein R, SelR
2	B (A)	ZINC ION	non-polymer		65.4	1	Chemie (ZN)

Sequence modifications

A: 1 - 116 (UniProt: Q9JLC3)

PDB	External Database	Details
Cys 95	Sec 95	engineered mutation
Leu 117	-	expression tag
Glu 118	-	expression tag
His 119	-	expression tag
His 120	-	expression tag
His 121	-	expression tag
His 122	-	expression tag
His 123	-	expression tag
His 124	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	13831.6
Non-Polymers*	Number of molecules	1
	Total formula weight	65.4
All*	Total formula weight	13897.0

*Water molecules are not included.