Structure of PDB 2b3j Chain B

Receptor sequence
>2b3jB (length=151) Species: 158878 (Staphylococcus aureus subsp. aureus Mu50) [Search protein sequence]
MTNDIYFMTLAIEEAKKAAQLGEVPIGAIITKDDEVIARAHNLRETLQQP
TAHAEHIAIERAAKVLGSWRLEGCTLYVTLEPCVMCAGTIVMSRIPRVVY
GADDPKGGCSGSLMNLLQQSNFNHRAIVDKGVLKEACSTLLTTFFKNLRA
N
3D structure
PDB2b3j Crystal structure of Staphylococcus aureus tRNA adenosine deaminase TadA in complex with RNA.
ChainB
Resolution2.0 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H53 C83 C86
Catalytic site (residue number reindexed from 1) H53 C83 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 rna B R70 E72 R94 N123 R70 E72 R94 N123
BS02 rna B G22 V24 I26 N42 E45 H53 L80 D103 D104 K106 S138 F145 R149 G22 V24 I26 N42 E45 H53 L80 D103 D104 K106 S138 F145 R149
BS03 ZN B H53 C83 C86 H53 C83 C86
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:0046872 metal ion binding
GO:0052717 tRNA-specific adenosine-34 deaminase activity
Biological Process
GO:0002100 tRNA wobble adenosine to inosine editing
GO:0008033 tRNA processing

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Molecular Function
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Biological Process
External links
PDB RCSB:2b3j, PDBe:2b3j, PDBj:2b3j
PDBsum2b3j
PubMed16415880
UniProtQ99W51|TADA_STAAM tRNA-specific adenosine deaminase (Gene Name=tadA)

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