3D7B

The Ribonuclease A- 5'-Deoxy-5'-N-pyrrolidinouridine complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Ribonuclease pancreatic	polymer	124	13708.3	2	UniProt (P61823) Pfam (PF00074) In PDB	Bos taurus (bovine)	RNase 1, RNase A
2	A	CITRATE ANION	non-polymer		189.1	2	Chemie (FLC)
3	A	1-(5-deoxy-5-pyrrolidin-1-yl-alpha-L-arabinofuranosyl)pyrimidine-2,4(1H,3H)-dione	non-polymer		297.3	1	Chemie (U4S)
4		water	water		18.0	346	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	27416.7
Non-Polymers*	Number of molecules	3
	Total formula weight	675.5
All*	Total formula weight	28092.2

*Water molecules are not included.