3EPV

X-ray Structure of the Metal-sensor CnrX in both the Apo- and Copper-bound Forms

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, D	Nickel and cobalt resistance protein cnrR	polymer	109	12409.8	4	UniProt (P37975) Pfam (PF13801) In PDB	Ralstonia metallidurans	CnrX
2	A, B, C	COPPER (II) ION	non-polymer		63.5	3	Chemie (CU)
3		water	water		18.0	441	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	49639.2
Non-Polymers*	Number of molecules	3
	Total formula weight	190.6
All*	Total formula weight	49829.9

*Water molecules are not included.