1Q5Y

Nickel-Bound C-terminal Regulatory Domain of NikR

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 (A, B, C, D)	Nickel responsive regulator	polymer	85	9586.7	4	UniProt (P0A6Z6) Pfam (PF08753)	Escherichia coli	NikR
2	E, F, L, M (A, C, D)	NICKEL (II) ION	non-polymer		58.7	4	Chemie (NI)
3	G, H, I, J, K (C)	1,2-ETHANEDIOL	non-polymer		62.1	5	Chemie (EDO)
4	N, O, P, Q (A, B, C, D)	water	water		18.0	253	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	38346.8
Non-Polymers*	Number of molecules	9
	Total formula weight	545.1
All*	Total formula weight	38891.9

*Water molecules are not included.