THG1_KLULA
ID THG1_KLULA Reviewed; 237 AA.
AC Q6CW75;
DT 01-MAY-2007, integrated into UniProtKB/Swiss-Prot.
DT 16-AUG-2004, sequence version 1.
DT 03-AUG-2022, entry version 90.
DE RecName: Full=tRNA(His) guanylyltransferase;
DE EC=2.7.7.79 {ECO:0000250|UniProtKB:P53215};
DE AltName: Full=tRNA-histidine guanylyltransferase;
GN Name=THG1; OrderedLocusNames=KLLA0B06237g;
OS Kluyveromyces lactis (strain ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 /
OS NRRL Y-1140 / WM37) (Yeast) (Candida sphaerica).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Saccharomycotina; Saccharomycetes;
OC Saccharomycetales; Saccharomycetaceae; Kluyveromyces.
OX NCBI_TaxID=284590;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 8585 / CBS 2359 / DSM 70799 / NBRC 1267 / NRRL Y-1140 / WM37;
RX PubMed=15229592; DOI=10.1038/nature02579;
RA Dujon B., Sherman D., Fischer G., Durrens P., Casaregola S., Lafontaine I.,
RA de Montigny J., Marck C., Neuveglise C., Talla E., Goffard N., Frangeul L.,
RA Aigle M., Anthouard V., Babour A., Barbe V., Barnay S., Blanchin S.,
RA Beckerich J.-M., Beyne E., Bleykasten C., Boisrame A., Boyer J.,
RA Cattolico L., Confanioleri F., de Daruvar A., Despons L., Fabre E.,
RA Fairhead C., Ferry-Dumazet H., Groppi A., Hantraye F., Hennequin C.,
RA Jauniaux N., Joyet P., Kachouri R., Kerrest A., Koszul R., Lemaire M.,
RA Lesur I., Ma L., Muller H., Nicaud J.-M., Nikolski M., Oztas S.,
RA Ozier-Kalogeropoulos O., Pellenz S., Potier S., Richard G.-F.,
RA Straub M.-L., Suleau A., Swennen D., Tekaia F., Wesolowski-Louvel M.,
RA Westhof E., Wirth B., Zeniou-Meyer M., Zivanovic Y., Bolotin-Fukuhara M.,
RA Thierry A., Bouchier C., Caudron B., Scarpelli C., Gaillardin C.,
RA Weissenbach J., Wincker P., Souciet J.-L.;
RT "Genome evolution in yeasts.";
RL Nature 430:35-44(2004).
CC -!- FUNCTION: Adds a GMP to the 5'-end of tRNA(His) after transcription and
CC RNase P cleavage. {ECO:0000250|UniProtKB:P53215}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 5'-end ribonucleotide-tRNA(His) + ATP + GTP + H2O = a 5'-end
CC phospho-guanosine-ribonucleotide-tRNA(His) + AMP + 2 diphosphate +
CC H(+); Xref=Rhea:RHEA:54564, Rhea:RHEA-COMP:14193, Rhea:RHEA-
CC COMP:14917, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:30616,
CC ChEBI:CHEBI:33019, ChEBI:CHEBI:37565, ChEBI:CHEBI:138282,
CC ChEBI:CHEBI:141847, ChEBI:CHEBI:456215; EC=2.7.7.79;
CC Evidence={ECO:0000250|UniProtKB:P53215};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420; Evidence={ECO:0000250};
CC Note=Binds 2 magnesium ions per subunit. {ECO:0000250};
CC -!- SIMILARITY: Belongs to the tRNA(His) guanylyltransferase family.
CC {ECO:0000305}.
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DR EMBL; CR382122; CAH02207.1; -; Genomic_DNA.
DR RefSeq; XP_451814.1; XM_451814.1.
DR AlphaFoldDB; Q6CW75; -.
DR SMR; Q6CW75; -.
DR STRING; 28985.XP_451814.1; -.
DR EnsemblFungi; CAH02207; CAH02207; KLLA0_B06237g.
DR GeneID; 2897311; -.
DR KEGG; kla:KLLA0_B06237g; -.
DR eggNOG; KOG2721; Eukaryota.
DR HOGENOM; CLU_044271_0_1_1; -.
DR InParanoid; Q6CW75; -.
DR OMA; WKQHTEI; -.
DR Proteomes; UP000000598; Chromosome B.
DR GO; GO:0005525; F:GTP binding; IEA:UniProtKB-KW.
DR GO; GO:0000287; F:magnesium ion binding; IEA:InterPro.
DR GO; GO:0008193; F:tRNA guanylyltransferase activity; ISS:UniProtKB.
DR GO; GO:0006400; P:tRNA modification; ISS:UniProtKB.
DR GO; GO:0008033; P:tRNA processing; ISS:UniProtKB.
DR Gene3D; 3.30.70.3000; -; 1.
DR InterPro; IPR025845; Thg1_C_dom.
DR InterPro; IPR024956; tRNAHis_GuaTrfase_cat.
DR InterPro; IPR007537; tRNAHis_GuaTrfase_Thg1.
DR InterPro; IPR038469; tRNAHis_GuaTrfase_Thg1_sf.
DR PANTHER; PTHR12729; PTHR12729; 1.
DR Pfam; PF04446; Thg1; 1.
DR Pfam; PF14413; Thg1C; 1.
DR PIRSF; PIRSF028980; tRNAHis_guanylyltransferase; 1.
PE 3: Inferred from homology;
KW GTP-binding; Magnesium; Metal-binding; Nucleotide-binding;
KW Nucleotidyltransferase; Reference proteome; Transferase; tRNA processing.
FT CHAIN 1..237
FT /note="tRNA(His) guanylyltransferase"
FT /id="PRO_0000284991"
FT BINDING 29..34
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000250"
FT BINDING 29
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000250"
FT BINDING 29
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000250"
FT BINDING 30
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000250"
FT BINDING 76..77
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000250"
FT BINDING 77
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000250"
FT BINDING 77
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000250"
SQ SEQUENCE 237 AA; 28027 MW; 35E61F5343F22418 CRC64;
MAKSRFEYVR QFEVHDALLP DTYIVVRVDG KKFHEFSKYY NFAKPNDERA LKLMNAAAKN
VFMQYKQEMI CAYGESDEYS FILKRDTKLF NRRRDKISTL FVSLFTANYV SLWNLFFPDV
VLHHKHLPYF DSRCVCYPNL TVVKDYLSWR FVDTHINNLY NTVFWYLIIK CGLTPQESEQ
KLCGTLSSDK QEILFSECGI NYNNEPEMYK KGSLVNSKGE IVHIDVVKQI DEIFNGF
