Structure of PDB 2pot Chain A Binding Site BS02

Receptor Information
>2pot Chain A (length=355) Species: 542 (Zymomonas mobilis) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
RPRFSFSIAAREGKARTGTIEMKRGVIRTPAFMPVGTAATVKALKPETVR
ATGADIILGNTYHLMLRPGAERIAKLGGLHSFMGWDRPILTDSGGYSEEG
VTFKHMLSPERSIEIQHLLGSDIVMAFDECTPYPATPSRAASSMERSMRW
AKRSRDAFDSRKEQAENAALFGIQQGSVFENLRQQSADALAEIGFDGYAV
GGLAVGQGQDEMFRVLDFSVPMLPDDKPHYLMGVGKPDDIVGAVERGIDM
FDCVLPTRSGRNGQAFTWDGPINIRNARFSEDLKPLDSECHCAVCQKWSR
AYIHHLIRAGEILGAMLMTEHNIAFYQQLMQKIRDSISEGRFSQFAQDFR
ARYFA
Ligand information
Ligand IDGUN
InChIInChI=1S/C5H5N5O/c6-5-9-3-2(4(11)10-5)7-1-8-3/h1H,(H4,6,7,8,9,10,11)
InChIKeyUYTPUPDQBNUYGX-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341NC1=Nc2[nH]cnc2C(=O)N1
ACDLabs 10.04O=C1c2ncnc2N=C(N1)N
OpenEye OEToolkits 1.5.0c1[nH]c2c(n1)C(=O)NC(=N2)N
FormulaC5 H5 N5 O
NameGUANINE
ChEMBLCHEMBL219568
DrugBankDB02377
ZINCZINC000000895129
PDB chain2pot Chain A Residue 600 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2pot Glutamate versus Glutamine Exchange Swaps Substrate Selectivity in tRNA-Guanine Transglycosylase: Insight into the Regulation of Substrate Selectivity by Kinetic and Crystallographic Studies.
Resolution1.8 Å
Binding residue
(original residue number in PDB)		D102 Y106 D156 C158 G229
Binding residue
(residue number reindexed from 1)		D92 Y96 D128 C130 G201
Annotation score5
Enzymatic activity
Catalytic site (original residue number in PDB) D102 D280 C318 C320 C323 H349
Catalytic site (residue number reindexed from 1) D92 D252 C290 C292 C295 H321
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:2pot, PDBe:2pot, PDBj:2pot
PDBsum2pot
PubMed17949745
UniProtP28720|TGT_ZYMMO Queuine tRNA-ribosyltransferase (Gene Name=tgt)

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