1RNQ

RIBONUCLEASE A CRYSTALLIZED FROM 8M 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	FORMIC ACID	non-polymer		46.0	2	Chemie (FMT)
3		water	water		18.0	89	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	13708.3
Non-Polymers*	Number of molecules	2
	Total formula weight	92.0
All*	Total formula weight	13800.4

*Water molecules are not included.