3OPO

Crystal structure of the membrane fusion protein CusB from Escherichia coli

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)	Cation efflux system protein cusB	polymer	413	45179.6	2	UniProt (P77239) Pfam (PF19335) Pfam (PF25919) Pfam (PF25869) Pfam (PF25954)	Escherichia coli K-12	Membrane fusion protein
2	C, D (A, B)	SILVER ION	non-polymer		107.9	2	Chemie (AG)

Sequence modifications

A, B: 1 - 407 (UniProt: P77239)

PDB	External Database	Details
His 408	-	expression tag
His 409	-	expression tag
His 410	-	expression tag
His 411	-	expression tag
His 412	-	expression tag
His 413	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	90359.2
Non-Polymers*	Number of molecules	2
	Total formula weight	215.7
All*	Total formula weight	90574.9

*Water molecules are not included.