1RNZ

RIBONUCLEASE A CRYSTALLIZED FROM 2.5M SODIUM CHLORIDE, 3.3M SODIUM FORMATE

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	RIBONUCLEASE A	polymer	124	13708.3	1	UniProt (P61823) Pfam (PF00074) In PDB	Bos taurus (cattle)	RNASE A
2	A	CHLORIDE ION	non-polymer		35.5	3	Chemie (CL)
3		water	water		18.0	95	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	13708.3
Non-Polymers*	Number of molecules	3
	Total formula weight	106.4
All*	Total formula weight	13814.7

*Water molecules are not included.