4ID6

Crystal Structure of Staphylococcal nuclease mutant V23I/I72L

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Thermonuclease	polymer	149	16857.4	1	UniProt (P00644) Pfam (PF00565) In PDB	Staphylococcus aureus	TNase, Micrococcal nuclease, Staphylococcal nuclease, Nuclease B, Nuclease A
2		water	water		18.0	67	Chemie (HOH)

Sequence modifications

A: 1 - 149 (UniProt: P00644)

PDB	External Database	Details
Ile 23	Val 105	engineered mutation
Leu 72	Ile 154	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	16857.4
All*	Total formula weight	16857.4

*Water molecules are not included.