8AJJ

Crystal structure of the disulfide reductase MerA from Staphylococcus aureus

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	C, A, B, D	Dihydrolipoamide dehydrogenase	polymer	446	49284.1	4	UniProt (A0A266CGC0) Pfam (PF07992) Pfam (PF02852) UniProt (by SIFTS) (Q2G0I4) In PDB	Staphylococcus aureus	FAD-containing oxidoreductase,Mercuric reductase,Putative pyridine nucleotide-disulfide oxidoreductase,Pyridine nucleotide-disulfide oxidoreductase family protein
2	C, A, B, D	FLAVIN-ADENINE DINUCLEOTIDE	non-polymer		785.5	4	Chemie (FAD)
3	A	HISTIDINE	non-polymer		156.2	2	Chemie (HIS)
4		water	water		18.0	122	Chemie (HOH)

Sequence modifications

C, A, B, D: 3 - 440 (UniProt: A0A266CGC0)

PDB	External Database	Details
Met 1	-	initiating methionine
Gly 2	-	expression tag
His 441	-	expression tag
His 442	-	expression tag
His 443	-	expression tag
His 444	-	expression tag
His 445	-	expression tag
His 446	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	197136.4
Non-Polymers*	Number of molecules	6
	Total formula weight	3454.5
All*	Total formula weight	200590.9

*Water molecules are not included.