4NC8

N-terminal domain of delta-subunit of RNA polymerase complexed with nickel ions

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	DNA-directed RNA polymerase subunit delta	polymer	99	11769.1	2	UniProt (P12464) Pfam (PF05066) In PDB	Bacillus Subtilis	RNAP delta factor
2	A, B	NICKEL (II) ION	non-polymer		58.7	2	Chemie (NI)
3		water	water		18.0	20	Chemie (HOH)

Sequence modifications

A, B: 1 - 91 (UniProt: P12464)

PDB	External Database	Details
Leu 92	-	expression tag
Glu 93	-	expression tag
His 94	-	expression tag
His 95	-	expression tag
His 96	-	expression tag
His 97	-	expression tag
His 98	-	expression tag
His 99	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	23538.2
Non-Polymers*	Number of molecules	2
	Total formula weight	117.4
All*	Total formula weight	23655.6

*Water molecules are not included.