ID A0A177C784_9PLEO Unreviewed; 253 AA.
AC A0A177C784;
DT 07-SEP-2016, integrated into UniProtKB/TrEMBL.
DT 07-SEP-2016, sequence version 1.
DT 27-MAR-2024, entry version 23.
DE RecName: Full=Trimethylguanosine synthase {ECO:0000256|ARBA:ARBA00018517};
GN ORFNames=CC84DRAFT_1166401 {ECO:0000313|EMBL:OAG02560.1};
OS Paraphaeosphaeria sporulosa.
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Dothideomycetes;
OC Pleosporomycetidae; Pleosporales; Massarineae; Didymosphaeriaceae;
OC Paraphaeosphaeria.
OX NCBI_TaxID=1460663 {ECO:0000313|EMBL:OAG02560.1, ECO:0000313|Proteomes:UP000077069};
RN [1] {ECO:0000313|EMBL:OAG02560.1, ECO:0000313|Proteomes:UP000077069}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=AP3s5-JAC2a {ECO:0000313|EMBL:OAG02560.1,
RC ECO:0000313|Proteomes:UP000077069};
RG DOE Joint Genome Institute;
RA Zeiner C.A., Purvine S.O., Zink E.M., Wu S., Pasa-Tolic L., Chaput D.L.,
RA Haridas S., Grigoriev I.V., Santelli C.M., Hansel C.M.;
RT "Comparative analysis of secretome profiles of manganese(II)-oxidizing
RT ascomycete fungi.";
RL Submitted (MAY-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 5'-end (N(2),N(7)-dimethyl 5'-triphosphoguanosine)-
CC ribonucleoside in mRNA + S-adenosyl-L-methionine = a 5'-end
CC (N(2),N(2),N(7)-trimethyl 5'-triphosphoguanosine)-(ribonucleoside) in
CC mRNA + H(+) + S-adenosyl-L-homocysteine; Xref=Rhea:RHEA:67624,
CC Rhea:RHEA-COMP:17171, Rhea:RHEA-COMP:17315, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:57856, ChEBI:CHEBI:59789, ChEBI:CHEBI:167623,
CC ChEBI:CHEBI:172880; Evidence={ECO:0000256|ARBA:ARBA00024488};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:67625;
CC Evidence={ECO:0000256|ARBA:ARBA00024488};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 5'-end (N(7)-methyl 5'-triphosphoguanosine)-ribonucleoside
CC in mRNA + S-adenosyl-L-methionine = a 5'-end (N(2),N(7)-dimethyl 5'-
CC triphosphoguanosine)-ribonucleoside in mRNA + H(+) + S-adenosyl-L-
CC homocysteine; Xref=Rhea:RHEA:67620, Rhea:RHEA-COMP:17167, Rhea:RHEA-
CC COMP:17315, ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC ChEBI:CHEBI:156461, ChEBI:CHEBI:172880;
CC Evidence={ECO:0000256|ARBA:ARBA00024618};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:67621;
CC Evidence={ECO:0000256|ARBA:ARBA00024618};
CC -!- SIMILARITY: Belongs to the methyltransferase superfamily.
CC Trimethylguanosine synthase family. {ECO:0000256|ARBA:ARBA00025783}.
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DR EMBL; KV441555; OAG02560.1; -; Genomic_DNA.
DR RefSeq; XP_018032925.1; XM_018178956.1.
DR AlphaFoldDB; A0A177C784; -.
DR STRING; 1460663.A0A177C784; -.
DR GeneID; 28762442; -.
DR InParanoid; A0A177C784; -.
DR OrthoDB; 5473515at2759; -.
DR Proteomes; UP000077069; Unassembled WGS sequence.
DR GO; GO:0008168; F:methyltransferase activity; IEA:InterPro.
DR GO; GO:0009452; P:7-methylguanosine RNA capping; IEA:InterPro.
DR GO; GO:0001510; P:RNA methylation; IEA:InterPro.
DR CDD; cd02440; AdoMet_MTases; 1.
DR Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 1.
DR InterPro; IPR019012; RNA_cap_Gua-N2-MeTrfase.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR PANTHER; PTHR14741; S-ADENOSYLMETHIONINE-DEPENDENT METHYLTRANSFERASE RELATED; 1.
DR PANTHER; PTHR14741:SF32; TRIMETHYLGUANOSINE SYNTHASE; 1.
DR Pfam; PF09445; Methyltransf_15; 1.
DR SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 1.
PE 3: Inferred from homology;
KW Reference proteome {ECO:0000313|Proteomes:UP000077069}.
SQ SEQUENCE 253 AA; 28783 MW; 6ADB8CBC11D69DA9 CRC64;
MDEKPDEQGI HQWLDVDQFP EHLKKYWFQR HKIWQRYHEG VWMTEDAWFG VTPEPIANKI
ATHIAESAPR EKTIIIDAFA GVGGNAIAFA RSGRWEQVFA VEKDPKTMKC AKHNAEIYGV
AKKIVFHTGD CFDIIKRFMG KNNIVIFGSP PWGGTEYNAD NVFDLSIMQP YNLDALYKKF
SKLSKHVVLY LPRNSDLNQI ARYAPEGKKV EVAHYCILGA SKALCVFFGD FDFEGEAEEQ
EGDVTTSQKV ASA
//
