Structure of PDB 2snm Chain A Binding Site BS01

Receptor Information
>2snm Chain A (length=135) Species: 1280 (Staphylococcus aureus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
LHKEPATLIKAIDGDTVKLMYKGQPMTFRLLLVDTPETKHPKKGVEKYGP
EASAFTKKMKENAKKIEVEFDKGQRTDKYGRGLAYIYADGKMVNEALVRQ
GLAKVAYVYKPNNTHEQHLRKSEAQAKKEKLNIWS
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain2snm Chain A Residue 150 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2snm In a staphylococcal nuclease mutant the side-chain of a lysine replacing valine 66 is fully buried in the hydrophobic core.
Resolution1.97 Å
Binding residue
(original residue number in PDB)		D21 D40 T41
Binding residue
(residue number reindexed from 1)		D15 D34 T35
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) D21 R35 D40 T41 E43 R87
Catalytic site (residue number reindexed from 1) D15 R29 D34 T35 E37 R81
Enzyme Commision number 3.1.31.1: micrococcal nuclease.
Gene Ontology
Molecular Function
GO:0003676 nucleic acid binding
GO:0004518 nuclease activity

View graph for
Molecular Function
External links
PDB RCSB:2snm, PDBe:2snm, PDBj:2snm
PDBsum2snm
PubMed1920420
UniProtP00644|NUC_STAAU Thermonuclease (Gene Name=nuc)

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