Structure of PDB 1z3a Chain B

Receptor sequence
>1z3aB (length=156) Species: 562 (Escherichia coli) [Search protein sequence]
SEVEFSHEYWMRHALTLAKRAWDEREVPVGAVLVHNNRVIGEGWNRPIGR
HDPTAHAEIMALRQGGLVMQNYRLIDATLYVTLEPCVMCAGAMIHSRIGR
VVFGARDAKTGAAGSLMDVLHHPGMNHRVEITEGILADECAALLSDFFRM
RRQEIK
3D structure
PDB1z3a Structural and kinetic characterization of Escherichia coli TadA, the wobble-specific tRNA deaminase.
ChainB
Resolution2.03 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) E70 E96 C98
Catalytic site (residue number reindexed from 1) E58 E84 C86
Enzyme Commision number 3.5.4.33: tRNA(adenine(34)) deaminase.
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 ZN B H68 C98 C101 H56 C86 C89
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0008251 tRNA-specific adenosine deaminase activity
GO:0008270 zinc ion binding
GO:0016787 hydrolase activity
GO:0042803 protein homodimerization activity
GO:0046872 metal ion binding
GO:0052717 tRNA-specific adenosine-34 deaminase activity
Biological Process
GO:0002100 tRNA wobble adenosine to inosine editing
GO:0006382 adenosine to inosine editing
GO:0008033 tRNA processing

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Molecular Function

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Biological Process
External links
PDB RCSB:1z3a, PDBe:1z3a, PDBj:1z3a
PDBsum1z3a
PubMed16700551
UniProtP68398|TADA_ECOLI tRNA-specific adenosine deaminase (Gene Name=tadA)

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