Structure of PDB 1pxg Chain A Binding Site BS01

Receptor Information
>1pxg Chain A (length=365) Species: 542 (Zymomonas mobilis) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
RPRFSFSIAAREGKARTGTIEMKRGVIRTPAFMPVGTAATVKALKPETVR
ATGADIILGNTYHLMLRPGAERIAKLGGLHSFMGWDRPILTDSGGYQVMS
LSSLTKQSEEGVTFKSHLDGSRHMLSPERSIEIQHLLGSDIVMAFDECTP
YPATPSRAASSMERSMRWAKRSRDAFDSRKEQAENAALFGIQQGSVFENL
RQQSADALAEIGFDGYAVGGLAVGEGQDEMFRVLDFSVPMLPDDKPHYLM
GVGKPDDIVGAVERGIDMFECVGQAFTWDGPINIRNARFSEDLKPLDSEC
HCAVCQKWSRAYIHHLIRAGEILGAMLMTEHNIAFYQQLMQKIRDSISEG
RFSQFAQDFRARYFA
Ligand information
Ligand IDZN
InChIInChI=1S/Zn/q+2
InChIKeyPTFCDOFLOPIGGS-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Zn++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Zn+2]
FormulaZn
NameZINC ION
ChEMBLCHEMBL1236970
DrugBankDB14532
ZINC
PDB chain1pxg Chain A Residue 400 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1pxg An essential role for aspartate 264 in catalysis by tRNA-guanine transglycosylase from Escherichia coli.
Resolution1.7 Å
Binding residue
(original residue number in PDB)		C318 C320 C323 H349
Binding residue
(residue number reindexed from 1)		C300 C302 C305 H331
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) D102 E280 C318 C320 C323 H349
Catalytic site (residue number reindexed from 1) D92 E270 C300 C302 C305 H331
Enzyme Commision number 2.4.2.29: tRNA-guanosine(34) preQ1 transglycosylase.
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:1pxg, PDBe:1pxg, PDBj:1pxg
PDBsum1pxg
PubMed12909636
UniProtP28720|TGT_ZYMMO Queuine tRNA-ribosyltransferase (Gene Name=tgt)

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