1Z3L

X-Ray Crystal Structure of a Mutant Ribonuclease S (F8Anb)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	S	Ribonuclease pancreatic, S-Peptide	polymer	15	1672.8	1	UniProt (P61823) In PDB		RNase 1, RNase A
2	E	Ribonuclease pancreatic, S-Protein	polymer	104	11556.0	1	UniProt (P61823) Pfam (PF00074) In PDB	Bos taurus (cattle)	RNase 1, RNase A
3	E	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
4		water	water		18.0	63	Chemie (HOH)

Sequence modifications

S: 1 - 15 (UniProt: P61823)

PDB	External Database	Details
Aba 8	Phe 34	engineered mutation
Nle 13	Met 39	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	13228.8
Non-Polymers*	Number of molecules	2
	Total formula weight	192.1
All*	Total formula weight	13420.9

*Water molecules are not included.