ID Q057I3_BUCCC Unreviewed; 228 AA.
AC Q057I3;
DT 14-NOV-2006, integrated into UniProtKB/TrEMBL.
DT 14-NOV-2006, sequence version 1.
DT 24-JAN-2024, entry version 105.
DE RecName: Full=tRNA (guanine-N(1)-)-methyltransferase {ECO:0000256|ARBA:ARBA00014679, ECO:0000256|HAMAP-Rule:MF_00605};
DE EC=2.1.1.228 {ECO:0000256|ARBA:ARBA00012807, ECO:0000256|HAMAP-Rule:MF_00605};
DE AltName: Full=M1G-methyltransferase {ECO:0000256|HAMAP-Rule:MF_00605};
DE AltName: Full=tRNA [GM37] methyltransferase {ECO:0000256|HAMAP-Rule:MF_00605};
GN Name=trmD {ECO:0000256|HAMAP-Rule:MF_00605,
GN ECO:0000313|EMBL:ABJ90716.1};
GN OrderedLocusNames=BCc_248 {ECO:0000313|EMBL:ABJ90716.1};
OS Buchnera aphidicola subsp. Cinara cedri (strain Cc).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Erwiniaceae; Buchnera.
OX NCBI_TaxID=372461 {ECO:0000313|EMBL:ABJ90716.1, ECO:0000313|Proteomes:UP000000669};
RN [1] {ECO:0000313|EMBL:ABJ90716.1, ECO:0000313|Proteomes:UP000000669}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Cc {ECO:0000313|Proteomes:UP000000669};
RX PubMed=17038625; DOI=10.1126/science.1130441;
RA Perez-Brocal V., Gil R., Ramos S., Lamelas A., Postigo M., Michelena J.M.,
RA Silva F.J., Moya A., Latorre A.;
RT "A small microbial genome: the end of a long symbiotic relationship?";
RL Science 314:312-313(2006).
CC -!- FUNCTION: Specifically methylates guanosine-37 in various tRNAs.
CC {ECO:0000256|ARBA:ARBA00002634, ECO:0000256|HAMAP-Rule:MF_00605,
CC ECO:0000256|RuleBase:RU003464}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=guanosine(37) in tRNA + S-adenosyl-L-methionine = H(+) + N(1)-
CC methylguanosine(37) in tRNA + S-adenosyl-L-homocysteine;
CC Xref=Rhea:RHEA:36899, Rhea:RHEA-COMP:10145, Rhea:RHEA-COMP:10147,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC ChEBI:CHEBI:73542, ChEBI:CHEBI:74269; EC=2.1.1.228;
CC Evidence={ECO:0000256|ARBA:ARBA00001189, ECO:0000256|HAMAP-
CC Rule:MF_00605, ECO:0000256|RuleBase:RU003464};
CC -!- SUBUNIT: Homodimer. {ECO:0000256|ARBA:ARBA00011738, ECO:0000256|HAMAP-
CC Rule:MF_00605, ECO:0000256|RuleBase:RU003464}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496,
CC ECO:0000256|HAMAP-Rule:MF_00605, ECO:0000256|RuleBase:RU003464}.
CC -!- SIMILARITY: Belongs to the RNA methyltransferase TrmD family.
CC {ECO:0000256|ARBA:ARBA00007630, ECO:0000256|HAMAP-Rule:MF_00605,
CC ECO:0000256|RuleBase:RU003464}.
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DR EMBL; CP000263; ABJ90716.1; -; Genomic_DNA.
DR RefSeq; WP_011672635.1; NC_008513.1.
DR AlphaFoldDB; Q057I3; -.
DR STRING; 372461.BCc_248; -.
DR KEGG; bcc:BCc_248; -.
DR eggNOG; COG0336; Bacteria.
DR HOGENOM; CLU_047363_0_1_6; -.
DR OMA; ILCGHYK; -.
DR OrthoDB; 9807416at2; -.
DR Proteomes; UP000000669; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0016020; C:membrane; IEA:UniProtKB-KW.
DR GO; GO:0052906; F:tRNA (guanine(37)-N1)-methyltransferase activity; IEA:UniProtKB-EC.
DR GO; GO:0030488; P:tRNA methylation; IEA:GOC.
DR CDD; cd18080; TrmD-like; 1.
DR Gene3D; 3.40.1280.10; -; 1.
DR Gene3D; 1.10.1270.20; tRNA(m1g37)methyltransferase, domain 2; 1.
DR HAMAP; MF_00605; TrmD; 1.
DR InterPro; IPR029028; Alpha/beta_knot_MTases.
DR InterPro; IPR023148; tRNA_m1G_MeTrfase_C_sf.
DR InterPro; IPR002649; tRNA_m1G_MeTrfase_TrmD.
DR InterPro; IPR029026; tRNA_m1G_MTases_N.
DR InterPro; IPR016009; tRNA_MeTrfase_TRMD/TRM10.
DR NCBIfam; TIGR00088; trmD; 1.
DR PANTHER; PTHR46417; TRNA (GUANINE-N(1)-)-METHYLTRANSFERASE; 1.
DR PANTHER; PTHR46417:SF1; TRNA (GUANINE-N(1)-)-METHYLTRANSFERASE; 1.
DR Pfam; PF01746; tRNA_m1G_MT; 1.
DR PIRSF; PIRSF000386; tRNA_mtase; 1.
DR SUPFAM; SSF75217; alpha/beta knot; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00605};
KW Membrane {ECO:0000256|SAM:Phobius};
KW Methyltransferase {ECO:0000256|ARBA:ARBA00022603, ECO:0000256|HAMAP-
KW Rule:MF_00605}; Reference proteome {ECO:0000313|Proteomes:UP000000669};
KW S-adenosyl-L-methionine {ECO:0000256|ARBA:ARBA00022691, ECO:0000256|HAMAP-
KW Rule:MF_00605};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00605}; Transmembrane {ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|SAM:Phobius};
KW tRNA processing {ECO:0000256|ARBA:ARBA00022694, ECO:0000256|HAMAP-
KW Rule:MF_00605}.
FT TRANSMEM 54..72
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 24..221
FT /note="tRNA methyltransferase TRMD/TRM10-type"
FT /evidence="ECO:0000259|Pfam:PF01746"
FT BINDING 114
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00605,
FT ECO:0000256|PIRSR:PIRSR000386-1"
FT BINDING 134..139
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00605,
FT ECO:0000256|PIRSR:PIRSR000386-1"
SQ SEQUENCE 228 AA; 26382 MW; 397460300C60B195 CRC64;
MIYFTVISIF PNLFKNIFKY GIISQAIKKK IIQINILNLR DYSNNKRKKI DDKVYGGGSG
MLIMFLPLFL AVKTAKKKYG KKSIVIYLSP QGKLLNQNYL KNFIKNKHII FICGRYKGID
ERFIKTQVDE EWSIGNYILS GGEIPAIVFI DVITRMIPGV LNNKKSLIEE SFSNNLLDCP
NYTKPKKILN YSVPKVLLSG NHKKIKEWRI KHALKNTILK KPNILKRK
//