Structure of PDB 3qb3 Chain A

Receptor sequence
>3qb3A (length=129) Species: 1280 (Staphylococcus aureus) [Search protein sequence]
LHKEPATLIKAIDGDTVKAMYKGQPMTFRLLLVDTPEFNEKYGPEASAFT
KKMVENAKKIEVEFDKGQRTDKYGRGLAYKYADGKMVNEALVRQGLAKVA
YVYKGNNTHEQLLRKAEAQAKKEKLNIWS
3D structure
PDB3qb3 Relocation of internal ionizable residues to cavities created by single alanine substitutions
ChainA
Resolution1.63 Å
3D
structure
Catalytic site residues are labeled in the structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
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 R75
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 K84 Y85 R87 L89 Y113 Y115 R29 K72 Y73 R75 L77 Y101 Y103
BS02 CA A D21 D40 T41 E43 D15 D34 T35 E37
External links
PDB RCSB:3qb3, PDBe:3qb3, PDBj:3qb3
PDBsum3qb3
PubMed
UniProtP00644|NUC_STAAU Thermonuclease (Gene Name=nuc)

[Back to BioLiP]