2Z70

E.coli RNase 1 in complex with d(CGCGATCGCG)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	B	DNA (5'-D(*DCP*DGP*DCP*DGP*DAP*DTP*DCP*DGP*DCP*DG)-3')	polymer	7	2123.4	1
2	A	Ribonuclease I	polymer	245	27192.7	1	UniProt (P21338) Pfam (PF00445) In PDB	Escherichia coli	Enterobacter ribonuclease, RNase I
3	A	CALCIUM ION	non-polymer		40.1	1	Chemie (CA)
4		water	water		18.0	281	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	29316.1
Non-Polymers*	Number of molecules	1
	Total formula weight	40.1
All*	Total formula weight	29356.2

*Water molecules are not included.