THG1_DICDI
ID THG1_DICDI Reviewed; 256 AA.
AC Q54E29;
DT 08-APR-2008, integrated into UniProtKB/Swiss-Prot.
DT 24-MAY-2005, sequence version 1.
DT 03-AUG-2022, entry version 89.
DE RecName: Full=Probable tRNA(His) guanylyltransferase;
DE EC=2.7.7.79 {ECO:0000250|UniProtKB:Q9NWX6};
DE AltName: Full=tRNA-histidine guanylyltransferase;
GN Name=thg1; ORFNames=DDB_G0291830;
OS Dictyostelium discoideum (Slime mold).
OC Eukaryota; Amoebozoa; Evosea; Eumycetozoa; Dictyostelia; Dictyosteliales;
OC Dictyosteliaceae; Dictyostelium.
OX NCBI_TaxID=44689;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=AX4;
RX PubMed=15875012; DOI=10.1038/nature03481;
RA Eichinger L., Pachebat J.A., Gloeckner G., Rajandream M.A., Sucgang R.,
RA Berriman M., Song J., Olsen R., Szafranski K., Xu Q., Tunggal B.,
RA Kummerfeld S., Madera M., Konfortov B.A., Rivero F., Bankier A.T.,
RA Lehmann R., Hamlin N., Davies R., Gaudet P., Fey P., Pilcher K., Chen G.,
RA Saunders D., Sodergren E.J., Davis P., Kerhornou A., Nie X., Hall N.,
RA Anjard C., Hemphill L., Bason N., Farbrother P., Desany B., Just E.,
RA Morio T., Rost R., Churcher C.M., Cooper J., Haydock S., van Driessche N.,
RA Cronin A., Goodhead I., Muzny D.M., Mourier T., Pain A., Lu M., Harper D.,
RA Lindsay R., Hauser H., James K.D., Quiles M., Madan Babu M., Saito T.,
RA Buchrieser C., Wardroper A., Felder M., Thangavelu M., Johnson D.,
RA Knights A., Loulseged H., Mungall K.L., Oliver K., Price C., Quail M.A.,
RA Urushihara H., Hernandez J., Rabbinowitsch E., Steffen D., Sanders M.,
RA Ma J., Kohara Y., Sharp S., Simmonds M.N., Spiegler S., Tivey A.,
RA Sugano S., White B., Walker D., Woodward J.R., Winckler T., Tanaka Y.,
RA Shaulsky G., Schleicher M., Weinstock G.M., Rosenthal A., Cox E.C.,
RA Chisholm R.L., Gibbs R.A., Loomis W.F., Platzer M., Kay R.R.,
RA Williams J.G., Dear P.H., Noegel A.A., Barrell B.G., Kuspa A.;
RT "The genome of the social amoeba Dictyostelium discoideum.";
RL Nature 435:43-57(2005).
CC -!- FUNCTION: Adds a GMP to the 5'-end of tRNA(His) after transcription and
CC RNase P cleavage. {ECO:0000250|UniProtKB:Q9NWX6}.
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:Q9NWX6};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420; Evidence={ECO:0000250};
CC Note=Binds 2 magnesium ions per subunit. {ECO:0000250};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC -!- SIMILARITY: Belongs to the tRNA(His) guanylyltransferase family.
CC {ECO:0000305}.
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DR EMBL; AAFI02000185; EAL61536.1; -; Genomic_DNA.
DR RefSeq; XP_629958.1; XM_629956.1.
DR AlphaFoldDB; Q54E29; -.
DR SMR; Q54E29; -.
DR STRING; 44689.DDB0233123; -.
DR PaxDb; Q54E29; -.
DR EnsemblProtists; EAL61536; EAL61536; DDB_G0291830.
DR GeneID; 8628364; -.
DR KEGG; ddi:DDB_G0291830; -.
DR dictyBase; DDB_G0291830; thg1.
DR eggNOG; KOG2721; Eukaryota.
DR HOGENOM; CLU_044271_0_1_1; -.
DR InParanoid; Q54E29; -.
DR OMA; WKQHTEI; -.
DR PhylomeDB; Q54E29; -.
DR BRENDA; 2.7.7.79; 1939.
DR PRO; PR:Q54E29; -.
DR Proteomes; UP000002195; Chromosome 6.
DR GO; GO:0005829; C:cytosol; IDA:dictyBase.
DR GO; GO:0097748; F:3'-5' RNA polymerase activity; IDA:dictyBase.
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; IDA:dictyBase.
DR GO; GO:0006400; P:tRNA modification; IDA:dictyBase.
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 Cytoplasm; GTP-binding; Magnesium; Metal-binding; Nucleotide-binding;
KW Nucleotidyltransferase; Reference proteome; Transferase; tRNA processing.
FT CHAIN 1..256
FT /note="Probable tRNA(His) guanylyltransferase"
FT /id="PRO_0000327762"
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 75..76
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000250"
FT BINDING 76
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
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000250"
SQ SEQUENCE 256 AA; 30110 MW; E5774E225B6800AC CRC64;
MANSKYEYVK SFEQPDILLQ NVWIVVRIDG RSFHKFTTKH DYAKPNDDRG LSLMNRAALE
VCKEFPDIVI AFGESDEYSF VLKKSCNLFE RRSSKISSSI VSYFTSQFVY RWKEYFGEHE
LKYPPTFDSR CVLYPTDENI KDYLSWRQAD THINNLYNTC YWALVLKAGK TPIEAENELR
GTFSDGKNEM LFSRFNINYN NLPAEYRKGS VIFKKPVQET NKETGLTKSK KRLVIEHVDI
ISEKFWKEYP DILASK
