Structure of PDB 1q2r Chain B Binding Site BS01

Receptor Information
>1q2r Chain B (length=372) 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
GVGKPDDIVGAVERGIDMFDCVLPTRSGRNGQAFTWDGPINIRNARFSED
LKPLDSECHCAVCQKWSRAYIHHLIRAGEILGAMLMTEHNIAFYQQLMQK
IRDSISEGRFSQFAQDFRARYF
Ligand information
>1q2r Chain E (length=20) [Search RNA sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
agcacggcuuuaaaccgugc
.<<<<<<.......>>>>>>
Receptor-Ligand Complex Structure
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PDB1q2r Chemical trapping and crystal structure of a catalytic tRNA guanine transglycosylase covalent intermediate
Resolution2.9 Å
Binding residue
(original residue number in PDB)		L128 G338 I340
Binding residue
(residue number reindexed from 1)		L118 G328 I330
Enzymatic activity
Catalytic site (original residue number in PDB) D102 D280 C318 C320 C323 H349
Catalytic site (residue number reindexed from 1) D92 D270 C308 C310 C313 H339
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:1q2r, PDBe:1q2r, PDBj:1q2r
PDBsum1q2r
PubMed12949492
UniProtP28720|TGT_ZYMMO Queuine tRNA-ribosyltransferase (Gene Name=tgt)

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