Structure of PDB 3rr4 Chain A

Receptor sequence
>3rr4A (length=368) Species: 542 (Zymomonas mobilis) [Search protein sequence]
RPRFSFSIAAREGKARTGTIEMKRGVIRTPAFMPVGTAATVKALKPETVR
ATGADIILGNTYHLMLRPGAERIAKLGGLHSFMGWDRPILTDSGGYQVMS
LSLTKQSEEGVTFKSHSRHMLSPERSIEIQHLLGSDIVMAFDECTPYPAT
PSRAASSMERSMRWAKRSRDAFDSRKEQAENAALFGIQQGSVFENLRQQS
ADALAEIGFDGYAVGGLAVGEGQDEMFRVLDFSVPMLPDDKPHYLMGVGK
PDDIVGAVERGIDMFDCVLPTRSGRNGQAFTWDGPINIRNARFSEDLKPL
DSECHCAVCQKWSRAYIHHLIRAGEILGAMLMTEHNIAFYQQLMQKIRDS
ISEGRFSQFAQDFRARYF
3D structure
PDB3rr4 From lin-Benzoguanines to lin-Benzohypoxanthines as Ligands for Zymomonas mobilis tRNA-Guanine Transglycosylase: Replacement of Protein-Ligand Hydrogen Bonding by Importing Water Clusters.
ChainA
Resolution1.68 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 D266 C304 C306 C309 H335
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 C304 C306 C309 H335
BS02 HRD A S103 Y106 D156 C158 G229 L231 A232 M260 G261 S93 Y96 D142 C144 G215 L217 A218 M246 G247 MOAD: Ki=28050nM
PDBbind-CN: -logKd/Ki=4.55,Ki=28.05uM
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:3rr4, PDBe:3rr4, PDBj:3rr4
PDBsum3rr4
PubMed22736391
UniProtP28720|TGT_ZYMMO Queuine tRNA-ribosyltransferase (Gene Name=tgt)

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