Structure of PDB 1sta Chain A

Receptor sequence
>1staA (length=137) Species: 1280 (Staphylococcus aureus) [Search protein sequence]
LHKEPGGATLIKAIDGDTVKLMYKGQPMTFRLLLVDTPETKHPKKGVEKY
GPEASAFTKKMVENAKKIEVEFDKGQRTDKYGRGLAYIYADGKMVNEALV
RQGLAKVAYVYKPNNTHEQHLRKSEAQAKKEKLNIWS
3D structure
PDB1sta Accommodation of insertion mutations on the surface and in the interior of staphylococcal nuclease.
ChainA
Resolution1.7 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D21 R35 D40 T41 E43 R87
Catalytic site (residue number reindexed from 1) D17 R31 D36 T37 E39 R83
Enzyme Commision number 3.1.31.1: micrococcal nuclease.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 CA A D21 D40 T41 D17 D36 T37
BS02 THP A R35 D83 K84 Y85 R87 L89 Y113 Y115 R31 D79 K80 Y81 R83 L85 Y109 Y111
Gene Ontology
Molecular Function
GO:0003676 nucleic acid binding
GO:0004518 nuclease activity

View graph for
Molecular Function
External links
PDB RCSB:1sta, PDBe:1sta, PDBj:1sta
PDBsum1sta
PubMed8019410
UniProtP00644|NUC_STAAU Thermonuclease (Gene Name=nuc)

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