TRMB_KLULA
ID TRMB_KLULA Reviewed; 278 AA.
AC Q6CY47;
DT 05-MAY-2009, integrated into UniProtKB/Swiss-Prot.
DT 16-AUG-2004, sequence version 1.
DT 03-AUG-2022, entry version 108.
DE RecName: Full=tRNA (guanine-N(7)-)-methyltransferase {ECO:0000255|HAMAP-Rule:MF_03055};
DE EC=2.1.1.33 {ECO:0000255|HAMAP-Rule:MF_03055};
DE AltName: Full=Transfer RNA methyltransferase 8 {ECO:0000255|HAMAP-Rule:MF_03055};
DE AltName: Full=tRNA (guanine(46)-N(7))-methyltransferase {ECO:0000255|HAMAP-Rule:MF_03055};
DE AltName: Full=tRNA(m7G46)-methyltransferase {ECO:0000255|HAMAP-Rule:MF_03055};
GN Name=TRM8 {ECO:0000255|HAMAP-Rule:MF_03055};
GN OrderedLocusNames=KLLA0A03245g;
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: Catalyzes the formation of N(7)-methylguanine at position 46
CC (m7G46) in tRNA. {ECO:0000255|HAMAP-Rule:MF_03055}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=guanosine(46) in tRNA + S-adenosyl-L-methionine = N(7)-
CC methylguanosine(46) in tRNA + S-adenosyl-L-homocysteine;
CC Xref=Rhea:RHEA:42708, Rhea:RHEA-COMP:10188, Rhea:RHEA-COMP:10189,
CC ChEBI:CHEBI:57856, ChEBI:CHEBI:59789, ChEBI:CHEBI:74269,
CC ChEBI:CHEBI:74480; EC=2.1.1.33; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_03055};
CC -!- PATHWAY: tRNA modification; N(7)-methylguanine-tRNA biosynthesis.
CC {ECO:0000255|HAMAP-Rule:MF_03055}.
CC -!- SUBUNIT: Forms a complex with TRM82. {ECO:0000255|HAMAP-Rule:MF_03055}.
CC -!- SUBCELLULAR LOCATION: Nucleus {ECO:0000255|HAMAP-Rule:MF_03055}.
CC -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase
CC superfamily. TrmB family. {ECO:0000255|HAMAP-Rule:MF_03055}.
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DR EMBL; CR382121; CAH02730.1; -; Genomic_DNA.
DR RefSeq; XP_451142.1; XM_451142.1.
DR AlphaFoldDB; Q6CY47; -.
DR SMR; Q6CY47; -.
DR STRING; 28985.XP_451142.1; -.
DR PRIDE; Q6CY47; -.
DR EnsemblFungi; CAH02730; CAH02730; KLLA0_A03245g.
DR GeneID; 2896541; -.
DR KEGG; kla:KLLA0_A03245g; -.
DR eggNOG; KOG3115; Eukaryota.
DR HOGENOM; CLU_050910_3_1_1; -.
DR InParanoid; Q6CY47; -.
DR OMA; DLHNWMV; -.
DR UniPathway; UPA00989; -.
DR Proteomes; UP000000598; Chromosome A.
DR GO; GO:0005634; C:nucleus; IEA:UniProtKB-SubCell.
DR GO; GO:0106143; C:tRNA (m7G46) methyltransferase complex; IEA:EnsemblFungi.
DR GO; GO:0008176; F:tRNA (guanine-N7-)-methyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0000049; F:tRNA binding; IEA:UniProtKB-UniRule.
DR Gene3D; 3.40.50.150; -; 1.
DR HAMAP; MF_03055; tRNA_methyltr_TrmB_euk; 1.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR InterPro; IPR025763; Trm8_euk.
DR InterPro; IPR003358; tRNA_(Gua-N-7)_MeTrfase_Trmb.
DR PANTHER; PTHR23417; PTHR23417; 1.
DR PANTHER; PTHR23417:SF16; PTHR23417:SF16; 1.
DR Pfam; PF02390; Methyltransf_4; 1.
DR SUPFAM; SSF53335; SSF53335; 1.
DR TIGRFAMs; TIGR00091; TIGR00091; 1.
DR PROSITE; PS51625; SAM_MT_TRMB; 1.
PE 3: Inferred from homology;
KW Methyltransferase; Nucleus; Reference proteome; RNA-binding;
KW S-adenosyl-L-methionine; Transferase; tRNA processing; tRNA-binding.
FT CHAIN 1..278
FT /note="tRNA (guanine-N(7)-)-methyltransferase"
FT /id="PRO_0000370597"
FT ACT_SITE 176
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03055"
FT BINDING 95
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03055"
FT BINDING 118..119
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03055"
FT BINDING 153..154
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03055"
FT BINDING 173
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03055"
FT BINDING 251..253
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03055"
SQ SEQUENCE 278 AA; 32701 MW; D47A49F22D974F64 CRC64;
MSFSTRRQAY RAEKQDHRKE LKHVKIDESV IEKVDKLSLP KKKFYRQRAH SNPFSDHQLE
YPISPAHMDW SKLYPHFYDS EKKKMTKDVT IADIGCGYGG LMIDLSPEFP DEMILGMEIR
VQVTNYVEDR IIALRTNHAK ENGYQNINVL RGNAMKFLPN FFNKGQLSKI FFCFPDPHFK
QRKHKARIVT DTLLSEYAYV LKEGGIIYTI TDVLDLHEWM VKHLEEHPLF ERLSEEWEAQ
DKCVSIMRNA TEEGKKVERN KGDKYIACFV RLPTPDII
