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6H62

QTRT1, the catalytic subunit of murine tRNA-Guanine Transglycosylase

Functional Information from GO Data
ChainGOidnamespacecontents
A0002099biological_processtRNA wobble guanine modification
A0005515molecular_functionprotein binding
A0005634cellular_componentnucleus
A0005737cellular_componentcytoplasm
A0005739cellular_componentmitochondrion
A0005741cellular_componentmitochondrial outer membrane
A0006400biological_processtRNA modification
A0008033biological_processtRNA processing
A0008479molecular_functiontRNA-guanosine(34) queuine transglycosylase activity
A0016740molecular_functiontransferase activity
A0016757molecular_functionglycosyltransferase activity
A0032473cellular_componentcytoplasmic side of mitochondrial outer membrane
A0032991cellular_componentprotein-containing complex
A0042803molecular_functionprotein homodimerization activity
A0046872molecular_functionmetal ion binding
A0046982molecular_functionprotein heterodimerization activity
A0120507cellular_componenttRNA-guanine transglycosylase complex
A1990234cellular_componenttransferase complex
B0002099biological_processtRNA wobble guanine modification
B0005515molecular_functionprotein binding
B0005634cellular_componentnucleus
B0005737cellular_componentcytoplasm
B0005739cellular_componentmitochondrion
B0005741cellular_componentmitochondrial outer membrane
B0006400biological_processtRNA modification
B0008033biological_processtRNA processing
B0008479molecular_functiontRNA-guanosine(34) queuine transglycosylase activity
B0016740molecular_functiontransferase activity
B0016757molecular_functionglycosyltransferase activity
B0032473cellular_componentcytoplasmic side of mitochondrial outer membrane
B0032991cellular_componentprotein-containing complex
B0042803molecular_functionprotein homodimerization activity
B0046872molecular_functionmetal ion binding
B0046982molecular_functionprotein heterodimerization activity
B0120507cellular_componenttRNA-guanine transglycosylase complex
B1990234cellular_componenttransferase complex
Functional Information from PDB Data
site_idAC1
Number of Residues4
Detailsbinding site for residue ZN A 501
ChainResidue
ACYS317
ACYS319
ACYS322
AHIS348

site_idAC2
Number of Residues2
Detailsbinding site for residue GOL A 502
ChainResidue
AGLN355
AALA359

site_idAC3
Number of Residues4
Detailsbinding site for residue ZN B 501
ChainResidue
BHIS348
BCYS317
BCYS319
BCYS322

site_idAC4
Number of Residues3
Detailsbinding site for residue GOL B 502
ChainResidue
BPRO295
BGLN355
BHOH604

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues12
DetailsRegion: {"description":"RNA binding","evidences":[{"source":"HAMAP-Rule","id":"MF_03218","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues8
DetailsRegion: {"description":"RNA binding; important for wobble base 34 recognition","evidences":[{"source":"HAMAP-Rule","id":"MF_03218","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"HAMAP-Rule","id":"MF_03218","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsActive site: {"description":"Nucleophile","evidences":[{"source":"HAMAP-Rule","id":"MF_03218","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_03218","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_03218","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"35815944","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"7OVO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"7OWZ","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_03218","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"35815944","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6H62","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"7B2I","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"7OV9","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"7OVO","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"7OVS","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"7OWZ","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"Q9BXR0","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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