7KF5

Cryo-electron microscopy structure of the heavy metal efflux pump CusA in the symmetric closed state

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	Cation efflux system protein CusA	polymer	1055	115833.9	3	UniProt (P38054) Pfam (PF00873) In PDB	Escherichia coli

Sequence modifications

A, B, C: 1 - 1047 (UniProt: P38054)

PDB	External Database	Details
Met -7	-	initiating methionine
Gly -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	347501.8
All*	Total formula weight	347501.8

*Water molecules are not included.