ID A0A182N6C1_9DIPT Unreviewed; 410 AA.
AC A0A182N6C1;
DT 07-SEP-2016, integrated into UniProtKB/TrEMBL.
DT 07-SEP-2016, sequence version 1.
DT 24-JAN-2024, entry version 37.
DE RecName: Full=Queuine tRNA-ribosyltransferase catalytic subunit 1 {ECO:0000256|HAMAP-Rule:MF_03218};
DE EC=2.4.2.64 {ECO:0000256|HAMAP-Rule:MF_03218};
DE AltName: Full=Guanine insertion enzyme {ECO:0000256|HAMAP-Rule:MF_03218};
DE AltName: Full=tRNA-guanine transglycosylase {ECO:0000256|HAMAP-Rule:MF_03218};
OS Anopheles dirus.
OC Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Hexapoda; Insecta; Pterygota;
OC Neoptera; Endopterygota; Diptera; Nematocera; Culicoidea; Culicidae;
OC Anophelinae; Anopheles.
OX NCBI_TaxID=7168 {ECO:0000313|EnsemblMetazoa:ADIR003193-PA, ECO:0000313|Proteomes:UP000075884};
RN [1] {ECO:0000313|Proteomes:UP000075884}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=WRAIR2 {ECO:0000313|Proteomes:UP000075884};
RG The Broad Institute Genomics Platform;
RA Neafsey D.E., Walton C., Walker B., Young S.K., Zeng Q., Gargeya S.,
RA Fitzgerald M., Haas B., Abouelleil A., Allen A.W., Alvarado L.,
RA Arachchi H.M., Berlin A.M., Chapman S.B., Gainer-Dewar J., Goldberg J.,
RA Griggs A., Gujja S., Hansen M., Howarth C., Imamovic A., Ireland A.,
RA Larimer J., McCowan C., Murphy C., Pearson M., Poon T.W., Priest M.,
RA Roberts A., Saif S., Shea T., Sisk P., Sykes S., Wortman J., Nusbaum C.,
RA Birren B.;
RT "The Genome Sequence of Anopheles dirus WRAIR2.";
RL Submitted (MAR-2013) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EnsemblMetazoa:ADIR003193-PA}
RP IDENTIFICATION.
RC STRAIN=WRAIR2 {ECO:0000313|EnsemblMetazoa:ADIR003193-PA};
RG EnsemblMetazoa;
RL Submitted (MAY-2020) to UniProtKB.
CC -!- FUNCTION: Catalytic subunit of the queuine tRNA-ribosyltransferase
CC (TGT) that catalyzes the base-exchange of a guanine (G) residue with
CC queuine (Q) at position 34 (anticodon wobble position) in tRNAs with
CC GU(N) anticodons (tRNA-Asp, -Asn, -His and -Tyr), resulting in the
CC hypermodified nucleoside queuosine (7-(((4,5-cis-dihydroxy-2-
CC cyclopenten-1-yl)amino)methyl)-7-deazaguanosine). Catalysis occurs
CC through a double-displacement mechanism. The nucleophile active site
CC attacks the C1' of nucleotide 34 to detach the guanine base from the
CC RNA, forming a covalent enzyme-RNA intermediate. The proton acceptor
CC active site deprotonates the incoming queuine, allowing a nucleophilic
CC attack on the C1' of the ribose to form the product.
CC {ECO:0000256|HAMAP-Rule:MF_03218}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=guanosine(34) in tRNA + queuine = guanine + queuosine(34) in
CC tRNA; Xref=Rhea:RHEA:16633, Rhea:RHEA-COMP:10341, Rhea:RHEA-
CC COMP:18571, ChEBI:CHEBI:16235, ChEBI:CHEBI:17433, ChEBI:CHEBI:74269,
CC ChEBI:CHEBI:194431; EC=2.4.2.64; Evidence={ECO:0000256|HAMAP-
CC Rule:MF_03218};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_03218};
CC -!- SUBUNIT: Heterodimer of a catalytic subunit and an accessory subunit.
CC {ECO:0000256|HAMAP-Rule:MF_03218}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_03218}.
CC -!- SIMILARITY: Belongs to the queuine tRNA-ribosyltransferase family.
CC {ECO:0000256|HAMAP-Rule:MF_03218}.
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DR AlphaFoldDB; A0A182N6C1; -.
DR STRING; 7168.A0A182N6C1; -.
DR EnsemblMetazoa; ADIR003193-RA; ADIR003193-PA; ADIR003193.
DR VEuPathDB; VectorBase:ADIR003193; -.
DR OrthoDB; 167782at2759; -.
DR Proteomes; UP000075884; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0008479; F:tRNA-guanosine(34) queuine transglycosylase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0101030; P:tRNA-guanine transglycosylation; IEA:UniProtKB-UniRule.
DR Gene3D; 3.20.20.105; Queuine tRNA-ribosyltransferase-like; 1.
DR HAMAP; MF_00168; Q_tRNA_Tgt; 1.
DR InterPro; IPR004803; TGT.
DR InterPro; IPR036511; TGT-like_sf.
DR InterPro; IPR002616; tRNA_ribo_trans-like.
DR NCBIfam; TIGR00430; Q_tRNA_tgt; 1.
DR NCBIfam; TIGR00449; tgt_general; 1.
DR PANTHER; PTHR43530; QUEUINE TRNA-RIBOSYLTRANSFERASE CATALYTIC SUBUNIT 1; 1.
DR PANTHER; PTHR43530:SF1; QUEUINE TRNA-RIBOSYLTRANSFERASE CATALYTIC SUBUNIT 1; 1.
DR Pfam; PF01702; TGT; 1.
DR SUPFAM; SSF51713; tRNA-guanine transglycosylase; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_03218};
KW Glycosyltransferase {ECO:0000256|ARBA:ARBA00022676, ECO:0000256|HAMAP-
KW Rule:MF_03218};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_03218};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_03218};
KW tRNA processing {ECO:0000256|ARBA:ARBA00022694, ECO:0000256|HAMAP-
KW Rule:MF_03218}; Zinc {ECO:0000256|HAMAP-Rule:MF_03218}.
FT DOMAIN 37..387
FT /note="tRNA-guanine(15) transglycosylase-like"
FT /evidence="ECO:0000259|Pfam:PF01702"
FT REGION 1..21
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 270..276
FT /note="RNA binding"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03218"
FT REGION 294..298
FT /note="RNA binding; important for wobble base 34
FT recognition"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03218"
FT ACT_SITE 115
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03218"
FT ACT_SITE 289
FT /note="Nucleophile"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03218"
FT BINDING 115..119
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03218"
FT BINDING 169
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03218"
FT BINDING 212
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03218"
FT BINDING 239
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03218"
FT BINDING 327
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03218"
FT BINDING 329
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03218"
FT BINDING 332
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03218"
FT BINDING 357
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03218"
SQ SEQUENCE 410 AA; 45542 MW; 8EB334E75266A58B CRC64;
MEPEIPNGRV TPPDDASHRR PSAPLVYRVA AKCSVTKARV GVMSVRHADV DTPVFMPVGT
QGTLKGILPE QLLELDCRIM LGNTYHLGMR PGTDVLEKAG GLHQFMGWPR ALLTDSGGFQ
MVSLLQLAEI TEQGVRFQSP YDGSECMLTP ERSMEIQNAI GADIMMQLDD VVKTTTTGPR
VEEAMHRTIR WLDRSIAAHG RDDEQSIFPI VQGGLQPDLR RVCADELTKR NTRGFAVGGL
SGGESKDDFW RTVHLCTDLL PEDKPRYLMG VGFAADLVVC VALGVDMFDC VFPTRTARFG
CALTRAGQIN LKQRTFAQDM RPIEEDCGCT TCRTYTRAYL HHIVTVEPVA CSIVSVHNVA
FQLRLMGDMR DAIEEDRFPE FVKSYMAVRF PDDSIPQWIR DALAAVNVPL
//