7VSB

E. coli Ribonuclease HI in complex with one Zn2+ (His124 N-delta binding)

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)	Ribonuclease HI	polymer	155	17623.0	2	UniProt (P0A7Y4) Pfam (PF00075)	Escherichia coli (strain K12)	RNase HI,Ribonuclease H,RNase H
2	C, D (A, B)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
3	E, F (A, B)	water	water		18.0	148	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	35246.0
Non-Polymers*	Number of molecules	2
	Total formula weight	130.8
All*	Total formula weight	35376.8

*Water molecules are not included.