4LWK

Crystal structure of methionine sulfoxide reductase U16S from clostridium oremlandii

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)	Peptide methionine sulfoxide reductase MsrA	polymer	217	24784.7	2	UniProt (A8MI53) Pfam (PF01625) Pfam (PF20939)	Alkaliphilus oremlandii	Protein-methionine-S-oxide reductase, Peptide-methionine (S)-S-oxide reductase
2	C, E (A, B)	ACETATE ION	non-polymer		59.0	2	Chemie (ACT)
3	D, F (A, B)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
4	G, H (A, B)	water	water		18.0	414	Chemie (HOH)

Sequence modifications

A, B: 1 - 209 (UniProt: A8MI53)

PDB	External Database	Details
Ser 16	Sec 16	engineered mutation
Leu 210	-	expression tag
Glu 211	-	expression tag
His 212	-	expression tag
His 213	-	expression tag
His 214	-	expression tag
His 215	-	expression tag
His 216	-	expression tag
His 217	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	49569.4
Non-Polymers*	Number of molecules	4
	Total formula weight	310.2
All*	Total formula weight	49879.6

*Water molecules are not included.