5FA9

Bifunctional Methionine Sulfoxide Reductase AB (MsrAB) from Treponema denticola

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	325	36907.5	2	UniProt (Q73PT7) Pfam (PF01625) Pfam (PF01641)	Treponema denticola ATCC 35405	Protein-methionine-S-oxide reductase,Peptide-methionine (S)-S-oxide reductase
2	C, F (A, B)	(4S,5S)-1,2-DITHIANE-4,5-DIOL	non-polymer		152.2	2	Chemie (D1D)
3	D, E, G, H, I (A, B)	2,3-DIHYDROXY-1,4-DITHIOBUTANE	non-polymer		154.3	5	Chemie (DTT)
4	J, K (A, B)	water	water		18.0	241	Chemie (HOH)

Sequence modifications

A, B: 1 - 317 (UniProt: Q73PT7)

PDB	External Database	Details
Ser 11	Cys 11	engineered mutation
Ser 285	Cys 285	engineered mutation
Leu 318	-	expression tag
Glu 319	-	expression tag
His 320	-	expression tag
His 321	-	expression tag
His 322	-	expression tag
His 323	-	expression tag
His 324	-	expression tag
His 325	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	73815.0
Non-Polymers*	Number of molecules	7
	Total formula weight	1075.7
All*	Total formula weight	74890.7

*Water molecules are not included.