3QSK

5 Histidine Variant of the anti-RNase A VHH in Complex with RNAse A

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Ribonuclease pancreatic	polymer	124	13708.3	1	UniProt (P61823) Pfam (PF00074) In PDB	Bos taurus (bovine cow domestic cattle domestic cow)	RNase 1, RNase A
2	B	Engineered 5 Histidine anti-RNase A Camelid VHH Antibody Domain Variant	polymer	123	13107.5	1		Camelus dromedarius (Arabian camel)
3		water	water		18.0	182	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	26815.8
All*	Total formula weight	26815.8

*Water molecules are not included.