Structure of PDB 2qzr Chain A

Receptor sequence
>2qzrA (length=359) Species: 542 (Zymomonas mobilis) [Search protein sequence]
RPRFSFSIAAREGKARTGTIEMKRGVIRTPAFMPVGTAATVKALKPETVR
ATGADIILGNTYHLMLRPGAERIAKLGGLHSFMGWDRPILTDSGGYQVMS
LSSEEGVTFKMLSPERSIEIQHLLGSDIVMAFDECTPYPATPSRAASSME
RSMRWAKRSRDAFDSRKEQAENAALFGIQQGSVFENLRQQSADALAEIGF
DGYAVGGLAVGEGQDEMFRVLDFSVPMLPDDKPHYLMGVGKPDDIVGAVE
RGIDMFDCVLPTRSGRNGQAFTWDGPINIRNARFSEDLKPLDSECHCAVC
QKWSRAYIHHLIRAGEILGAMLMTEHNIAFYQQLMQKIRDSISEGRFSQF
AQDFRARYF
3D structure
PDB2qzr Potent Inhibitors of tRNA-Guanine Transglycosylase, an Enzyme Linked to the Pathogenicity of the Shigella Bacterium: Charge-Assisted Hydrogen Bonding.
ChainA
Resolution1.95 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D102 D280 C318 C320 C323 H349
Catalytic site (residue number reindexed from 1) D92 D257 C295 C297 C300 H326
Enzyme Commision number 2.4.2.29: tRNA-guanosine(34) preQ1 transglycosylase.
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 A C318 C320 C323 H349 C295 C297 C300 H326
BS02 S79 A D102 Y106 D156 I201 G229 G230 A232 M260 G261 D92 Y96 D133 I178 G206 G207 A209 M237 G238 MOAD: Ki=55nM
PDBbind-CN: -logKd/Ki=7.26,Ki=55nM
Gene Ontology
Molecular Function
GO:0008479 tRNA-guanosine(34) queuine transglycosylase activity
GO:0016757 glycosyltransferase activity
GO:0016763 pentosyltransferase activity
GO:0046872 metal ion binding
Biological Process
GO:0002099 tRNA wobble guanine modification
GO:0006400 tRNA modification
GO:0008033 tRNA processing
GO:0008616 queuosine biosynthetic process
GO:0101030 tRNA-guanine transglycosylation
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:2qzr, PDBe:2qzr, PDBj:2qzr
PDBsum2qzr
PubMed17902085
UniProtP28720|TGT_ZYMMO Queuine tRNA-ribosyltransferase (Gene Name=tgt)

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