Structure of PDB 1stg Chain A

Receptor sequence
>1stgA (length=136) Species: 1280 (Staphylococcus aureus) [Search protein sequence]
KLHKEPATLIKAIDGDTVKLMYKGQPMTFRLLLVDTPETKHPKKGVEKYG
PEASAFTKKMVENAKKIEVEFDKGQRTDKYGRGLAYIYADGKMVNEALVR
QGLAKVAYVYKPNNTHEQHLRKSEAQAKKEKLNIWS
3D structure
PDB1stg X-ray crystal structures of staphylococcal nuclease complexed with the competitive inhibitor cobalt(II) and nucleotide.
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) D16 R30 D35 T36 E38 R82
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 THP A R35 D83 K84 Y85 R87 L89 Y113 Y115 R30 D78 K79 Y80 R82 L84 Y108 Y110
Gene Ontology
Molecular Function
GO:0003676 nucleic acid binding
GO:0004518 nuclease activity

View graph for
Molecular Function
External links
PDB RCSB:1stg, PDBe:1stg, PDBj:1stg
PDBsum1stg
PubMed7703245
UniProtP00644|NUC_STAAU Thermonuclease (Gene Name=nuc)

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