Structure of PDB 3hej Chain B

Receptor sequence
>3hejB (length=135) Species: 1280 (Staphylococcus aureus) [Search protein sequence]
ATSTKKLHKEPATLIKAIDGDTVKLMYKGQPMTFRLLLVDTPEFNEKYGP
EASAFRKKMVENAKKIEVEFDKGQRTDKYGRGLAYIYADGKMVNEALVRQ
GLAKVAYVYKGNNTHEQLLRKAEAQAKKEKLNIWS
3D structure
PDB3hej Domain swapping promoted by a single mutation that introduces an ionizable group into the hydrophobic core of a protein
ChainB
Resolution1.8 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) D21 R35 D40 T41 E43 R81
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 B R35 K84 Y85 R87 L89 Y113 R35 K78 Y79 R81 L83 Y107
Gene Ontology
Molecular Function
GO:0003676 nucleic acid binding
GO:0004518 nuclease activity

View graph for
Molecular Function
External links
PDB RCSB:3hej, PDBe:3hej, PDBj:3hej
PDBsum3hej
PubMed
UniProtP00644|NUC_STAAU Thermonuclease (Gene Name=nuc)

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