2HZV

NikR-operator DNA complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (I, K)	5'-D(*AP*GP*TP*AP*TP*GP*AP*CP*GP*AP*AP*TP*AP*CP*TP*TP*AP*AP*AP*AP*TP*CP*GP*TP*CP*AP*TP*AP*CP*T)-3'	polymer	30	9214.0	2
2	B, D (J, L)	5'-D(*AP*GP*TP*AP*TP*GP*AP*CP*GP*AP*TP*TP*TP*TP*AP*AP*GP*TP*AP*TP*TP*CP*GP*TP*CP*AP*TP*AP*CP*T)-3'	polymer	30	9227.0	2
3	E, F, G, H, I... (A, B, C, D, E...)	Nickel-responsive regulator	polymer	133	15212.6	8	UniProt (P0A6Z6) Pfam (PF01402) Pfam (PF08753)	Escherichia coli
4	AA, DA, M, Q, T... (G, H, A, C, D...)	NICKEL (II) ION	non-polymer		58.7	8	Chemie (NI)
5	BA, CA, EA, N, O... (G, H, A, B, C...)	POTASSIUM ION	non-polymer		39.1	11	Chemie (K)

Sequence modifications

A, B, C, D, E, F, G, H: 1 - 133 (UniProt: P0A6Z6)

PDB	External Database	Details
Mse 1	Met 1	modified residue
Mse 105	Met 105	modified residue

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	158582.7
Non-Polymers*	Number of molecules	19
	Total formula weight	899.6
All*	Total formula weight	159482.3

*Water molecules are not included.