ID A0A2K3QAQ6_9HYPO Unreviewed; 306 AA.
AC A0A2K3QAQ6;
DT 28-MAR-2018, integrated into UniProtKB/TrEMBL.
DT 28-MAR-2018, sequence version 1.
DT 08-NOV-2023, entry version 21.
DE RecName: Full=tRNA(His) guanylyltransferase {ECO:0000256|ARBA:ARBA00015443, ECO:0000256|PIRNR:PIRNR028980};
DE EC=2.7.7.79 {ECO:0000256|ARBA:ARBA00012511, ECO:0000256|PIRNR:PIRNR028980};
DE AltName: Full=tRNA-histidine guanylyltransferase {ECO:0000256|ARBA:ARBA00032480, ECO:0000256|PIRNR:PIRNR028980};
GN ORFNames=TCAP_05427 {ECO:0000313|EMBL:PNY24629.1};
OS Tolypocladium capitatum.
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Sordariomycetes;
OC Hypocreomycetidae; Hypocreales; Ophiocordycipitaceae; Tolypocladium.
OX NCBI_TaxID=45235 {ECO:0000313|EMBL:PNY24629.1, ECO:0000313|Proteomes:UP000236621};
RN [1] {ECO:0000313|EMBL:PNY24629.1, ECO:0000313|Proteomes:UP000236621}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CBS 113982 {ECO:0000313|EMBL:PNY24629.1,
RC ECO:0000313|Proteomes:UP000236621};
RA Quandt C.A., Patterson W., Spatafora J.W.;
RT "Harnessing the power of phylogenomics to disentangle the directionality
RT and signatures of interkingdom host jumping in the parasitic fungal genus
RT Tolypocladium.";
RL Submitted (AUG-2017) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Adds a GMP to the 5'-end of tRNA(His) after transcription and
CC RNase P cleavage. {ECO:0000256|PIRNR:PIRNR028980}.
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:0000256|PIRNR:PIRNR028980};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|PIRSR:PIRSR028980-2};
CC Note=Binds 2 magnesium ions per subunit.
CC {ECO:0000256|PIRSR:PIRSR028980-2};
CC -!- SIMILARITY: Belongs to the tRNA(His) guanylyltransferase family.
CC {ECO:0000256|ARBA:ARBA00010113, ECO:0000256|PIRNR:PIRNR028980}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:PNY24629.1}.
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DR EMBL; NRSZ01000862; PNY24629.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2K3QAQ6; -.
DR STRING; 45235.A0A2K3QAQ6; -.
DR OrthoDB; 239198at2759; -.
DR Proteomes; UP000236621; Unassembled WGS sequence.
DR GO; GO:0005525; F:GTP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0008193; F:tRNA guanylyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006400; P:tRNA modification; IEA:UniProtKB-UniRule.
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:SF6; TRNA(HIS) GUANYLYLTRANSFERASE-RELATED; 1.
DR PANTHER; PTHR12729; UNCHARACTERIZED; 1.
DR Pfam; PF04446; Thg1; 1.
DR Pfam; PF14413; Thg1C; 1.
DR PIRSF; PIRSF028980; tRNAHis_guanylyltransferase; 2.
PE 3: Inferred from homology;
KW GTP-binding {ECO:0000256|ARBA:ARBA00023134, ECO:0000256|PIRNR:PIRNR028980};
KW Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|PIRNR:PIRNR028980};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRNR:PIRNR028980};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741,
KW ECO:0000256|PIRNR:PIRNR028980};
KW Nucleotidyltransferase {ECO:0000256|ARBA:ARBA00022695,
KW ECO:0000256|PIRNR:PIRNR028980};
KW Reference proteome {ECO:0000313|Proteomes:UP000236621};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|PIRNR:PIRNR028980};
KW tRNA processing {ECO:0000256|ARBA:ARBA00022694,
KW ECO:0000256|PIRNR:PIRNR028980}.
FT DOMAIN 6..136
FT /note="tRNAHis guanylyltransferase catalytic"
FT /evidence="ECO:0000259|Pfam:PF04446"
FT DOMAIN 139..284
FT /note="Thg1 C-terminal"
FT /evidence="ECO:0000259|Pfam:PF14413"
FT REGION 249..272
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 29
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR028980-2"
FT BINDING 29
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR028980-2"
FT BINDING 30
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR028980-2"
FT BINDING 75..76
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|PIRSR:PIRSR028980-1"
FT BINDING 76
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR028980-2"
FT BINDING 76
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR028980-2"
SQ SEQUENCE 306 AA; 35093 MW; 2AD56C54117B3EEE CRC64;
MANSKFEYVR GFEQTDALLP NTWIVVRVDG RAFTKMCANY GFEKPNDRRA LDLMNVAAKA
VVADLPEIAI GYGISDEYSF VFHKSCNLFE RRSSKLVSTI VSTFTANYVY SWSTYFPDTP
LSCPLPTFDG RAVCYPTVQN LRDYLSWRQV DCTSATRHRL FPSCWLTCQG HINNLYNTTF
WALVQLGGLG NKEAEKTLAG TLSADKNEML FSRFRINYNN EPEMFKKGSV IFRDYELVDP
DSHRVAEEMD DLAEPVLQSK SQADKDKKRR SKARVVVEHL DIIKDEFWDK RPWILSGKPG
KVPKET
//
