ID A0A1V9ZRA3_9STRA Unreviewed; 240 AA.
AC A0A1V9ZRA3;
DT 07-JUN-2017, integrated into UniProtKB/TrEMBL.
DT 07-JUN-2017, sequence version 1.
DT 08-NOV-2023, entry version 19.
DE RecName: Full=tRNA(His) guanylyltransferase {ECO:0000256|ARBA:ARBA00012511, 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|PIRNR:PIRNR028980};
GN ORFNames=ACHHYP_03390 {ECO:0000313|EMBL:OQS00556.1};
OS Achlya hypogyna.
OC Eukaryota; Sar; Stramenopiles; Oomycota; Saprolegniales; Saprolegniaceae;
OC Achlya.
OX NCBI_TaxID=1202772 {ECO:0000313|EMBL:OQS00556.1, ECO:0000313|Proteomes:UP000243579};
RN [1] {ECO:0000313|EMBL:OQS00556.1, ECO:0000313|Proteomes:UP000243579}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 48635 {ECO:0000313|EMBL:OQS00556.1,
RC ECO:0000313|Proteomes:UP000243579};
RX PubMed=25527045; DOI=10.1093/gbe/evu276;
RA Misner I., Blouin N., Leonard G., Richards T.A., Lane C.E.;
RT "The secreted proteins of Achlya hypogyna and Thraustotheca clavata
RT identify the ancestral oomycete secretome and reveal gene acquisitions by
RT horizontal gene transfer.";
RL Genome Biol. Evol. 7:120-135(2014).
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:OQS00556.1}.
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DR EMBL; JNBR01000029; OQS00556.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1V9ZRA3; -.
DR STRING; 1202772.A0A1V9ZRA3; -.
DR OrthoDB; 239198at2759; -.
DR Proteomes; UP000243579; 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:UP000243579};
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..135
FT /note="tRNAHis guanylyltransferase catalytic"
FT /evidence="ECO:0000259|Pfam:PF04446"
FT DOMAIN 138..221
FT /note="Thg1 C-terminal"
FT /evidence="ECO:0000259|Pfam:PF14413"
FT BINDING 29..34
FT /ligand="GTP"
FT /ligand_id="ChEBI:CHEBI:37565"
FT /evidence="ECO:0000256|PIRSR:PIRSR028980-1"
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 240 AA; 27757 MW; 5D2F1FEF67180838 CRC64;
MANSRYEYVR QFELPDPVLR NTWIVVRIDG KGFHKFTDIH GYAKPNDSRG LGLMNKAACA
VMHEFGDICL AYGQSDEFSF VVTKASNLYS RRSTKIASTF GSLFTSAFVF HWQSFFPDTP
LQYPPAFDSR VVCYPTAKNL RDYLSWRQVD CHINNLYNTC FWALVHSGES KKDAEATLCQ
TLAKDKQELL FSRFQINYND VESIFKRGSL VLRENKNLVV THDDVIKETF WIQRPGFLQD
//
