Structure of PDB 4q4r Chain A

Receptor sequence
>4q4rA (length=364) Species: 264203 (Zymomonas mobilis subsp. mobilis ZM4 = ATCC 31821) [Search protein sequence]
RPRFSFSIAAREGKARTGTIEMKRGVIRTPAFMPVGTAATVKALKPETVR
ATGADIILGNTYHLMLRPGAERIAKLGGLHSFMGWDRPILTDSGGYQVMS
LSTKQSEEGVTFKHMLSPERSIEIQHLLGSDIVMAFDECTPYPATPSRAA
SSMERSMRWAKRSRDAFDSRKEQAENAALFGIQQGSVFENLRQQSADALA
EIGFDGYAVGGLAVGEGQDEMFRVLDFSVPMLPDDKPHYLMGVGKPDDIV
GAVERGIDMFDCVLPTRSGRNGQAFTWDGPINIRNARFSEDLKPLDSECH
CAVCQKWSRAYIHHLIRAGEILGAMLMTEHNIAFYQQLMQKIRDSISEGR
FSQFAQDFRARYFA
3D structure
PDB4q4r Beyond Affinity: Enthalpy-Entropy Factorization Unravels Complexity of a Flat Structure-Activity Relationship for Inhibition of a tRNA-Modifying Enzyme.
ChainA
Resolution1.448 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 D261 C299 C301 C304 H330
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 C299 C301 C304 H330
BS02 SQO A Y106 D156 C158 G229 G230 L231 A232 M260 G261 R286 Y96 D137 C139 G210 G211 L212 A213 M241 G242 R267 MOAD: Kd=369.2nM
PDBbind-CN: -logKd/Ki=6.43,Kd=369.2nM
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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Cellular Component
External links
PDB RCSB:4q4r, PDBe:4q4r, PDBj:4q4r
PDBsum4q4r
PubMed24960372
UniProtP28720|TGT_ZYMMO Queuine tRNA-ribosyltransferase (Gene Name=tgt)

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