ID Q0AA97_ALKEH Unreviewed; 267 AA.
AC Q0AA97;
DT 17-OCT-2006, integrated into UniProtKB/TrEMBL.
DT 17-OCT-2006, sequence version 1.
DT 27-MAR-2024, entry version 110.
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 OrderedLocusNames=Mlg_0886 {ECO:0000313|EMBL:ABI56240.1};
OS Alkalilimnicola ehrlichii (strain ATCC BAA-1101 / DSM 17681 / MLHE-1).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Chromatiales;
OC Ectothiorhodospiraceae; Alkalilimnicola.
OX NCBI_TaxID=187272 {ECO:0000313|EMBL:ABI56240.1, ECO:0000313|Proteomes:UP000001962};
RN [1] {ECO:0000313|Proteomes:UP000001962}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-1101 / DSM 17681 / MLHE-1
RC {ECO:0000313|Proteomes:UP000001962};
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA Sims D., Brettin T., Bruce D., Han C., Tapia R., Gilna P., Schmutz J.,
RA Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Oremland R.S.,
RA Hoeft S.E., Switzer-Blum J., Kulp T., King G., Tabita R., Witte B.,
RA Santini J.M., Basu P., Hollibaugh J.T., Xie G., Stolz J.F., Richardson P.;
RT "Complete sequence of Alkalilimnicola ehrilichei MLHE-1.";
RL Submitted (AUG-2006) to the EMBL/GenBank/DDBJ databases.
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; CP000453; ABI56240.1; -; Genomic_DNA.
DR AlphaFoldDB; Q0AA97; -.
DR KEGG; aeh:Mlg_0886; -.
DR eggNOG; COG0336; Bacteria.
DR HOGENOM; CLU_047363_0_1_6; -.
DR Proteomes; UP000001962; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0052906; F:tRNA (guanine(37)-N1)-methyltransferase activity; IEA:UniProtKB-EC.
DR GO; GO:0032259; P:methylation; IEA:UniProtKB-KW.
DR GO; GO:0006400; P:tRNA modification; IEA:UniProtKB-UniRule.
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 Methyltransferase {ECO:0000256|ARBA:ARBA00022603, ECO:0000256|HAMAP-
KW Rule:MF_00605}; Reference proteome {ECO:0000313|Proteomes:UP000001962};
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};
KW tRNA processing {ECO:0000256|ARBA:ARBA00022694, ECO:0000256|HAMAP-
KW Rule:MF_00605}.
FT DOMAIN 41..239
FT /note="tRNA methyltransferase TRMD/TRM10-type"
FT /evidence="ECO:0000259|Pfam:PF01746"
FT BINDING 131
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 151..156
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 267 AA; 29962 MW; 4BC07EF2E526C80A CRC64;
MTARERNMGE SGADTGGLHR IDVITLFPEL VAAVGHHGIT GRAVERGLLE LQLWNPRDDA
SDRHGTVDDR PYGGGPGMVM KVEPLATTLR KARAASTLPS RVIYLSPQGR RLDQAGVREL
ADEQRLILIC GRYEGIDERV IEAEVDEEWS IGDYVLSGGE LPAMVMVDAL TRMIPGALGH
QDSAEEDSFT DGLLDCPHYT RPECWEGRQV PTVLLSGDHG RVARWRRKQA LGRTWLRRPE
LLRERELDDN SRRLLEEFID EHRAADR
//
