2OQF

Structure of a synthetic, non-natural analogue of RNase A: [N71K(Ade), D83A]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, B, C, D	Ribonuclease pancreatic	polymer	124	13796.5	4	UniProt (P61823) Pfam (PF00074) In PDB		RNase 1, RNase A
2		water	water		18.0	91	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 124 (UniProt: P61823)

PDB	External Database	Details
Xx1 71	Asn 97	modified residue
Ala 83	Asp 109	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	55185.9
All*	Total formula weight	55185.9

*Water molecules are not included.