ID TFB1M_DROME Reviewed; 330 AA.
AC Q9VTM5; B7Z0G5; Q7KUF8; Q8T013;
DT 23-JAN-2007, integrated into UniProtKB/Swiss-Prot.
DT 01-OCT-2002, sequence version 2.
DT 24-JAN-2024, entry version 156.
DE RecName: Full=Dimethyladenosine transferase 1, mitochondrial;
DE EC=2.1.1.-;
DE AltName: Full=Mitochondrial 12S rRNA dimethylase 1;
DE AltName: Full=Mitochondrial transcription factor B1;
DE AltName: Full=S-adenosylmethionine-6-N', N'-adenosyl(rRNA) dimethyltransferase 1;
DE AltName: Full=d-mtTFB1;
DE Flags: Precursor;
GN Name=mtTFB1; ORFNames=CG42631;
OS Drosophila melanogaster (Fruit fly).
OC Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Hexapoda; Insecta; Pterygota;
OC Neoptera; Endopterygota; Diptera; Brachycera; Muscomorpha; Ephydroidea;
OC Drosophilidae; Drosophila; Sophophora.
OX NCBI_TaxID=7227;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Berkeley;
RX PubMed=10731132; DOI=10.1126/science.287.5461.2185;
RA Adams M.D., Celniker S.E., Holt R.A., Evans C.A., Gocayne J.D.,
RA Amanatides P.G., Scherer S.E., Li P.W., Hoskins R.A., Galle R.F.,
RA George R.A., Lewis S.E., Richards S., Ashburner M., Henderson S.N.,
RA Sutton G.G., Wortman J.R., Yandell M.D., Zhang Q., Chen L.X., Brandon R.C.,
RA Rogers Y.-H.C., Blazej R.G., Champe M., Pfeiffer B.D., Wan K.H., Doyle C.,
RA Baxter E.G., Helt G., Nelson C.R., Miklos G.L.G., Abril J.F., Agbayani A.,
RA An H.-J., Andrews-Pfannkoch C., Baldwin D., Ballew R.M., Basu A.,
RA Baxendale J., Bayraktaroglu L., Beasley E.M., Beeson K.Y., Benos P.V.,
RA Berman B.P., Bhandari D., Bolshakov S., Borkova D., Botchan M.R., Bouck J.,
RA Brokstein P., Brottier P., Burtis K.C., Busam D.A., Butler H., Cadieu E.,
RA Center A., Chandra I., Cherry J.M., Cawley S., Dahlke C., Davenport L.B.,
RA Davies P., de Pablos B., Delcher A., Deng Z., Mays A.D., Dew I.,
RA Dietz S.M., Dodson K., Doup L.E., Downes M., Dugan-Rocha S., Dunkov B.C.,
RA Dunn P., Durbin K.J., Evangelista C.C., Ferraz C., Ferriera S.,
RA Fleischmann W., Fosler C., Gabrielian A.E., Garg N.S., Gelbart W.M.,
RA Glasser K., Glodek A., Gong F., Gorrell J.H., Gu Z., Guan P., Harris M.,
RA Harris N.L., Harvey D.A., Heiman T.J., Hernandez J.R., Houck J., Hostin D.,
RA Houston K.A., Howland T.J., Wei M.-H., Ibegwam C., Jalali M., Kalush F.,
RA Karpen G.H., Ke Z., Kennison J.A., Ketchum K.A., Kimmel B.E., Kodira C.D.,
RA Kraft C.L., Kravitz S., Kulp D., Lai Z., Lasko P., Lei Y., Levitsky A.A.,
RA Li J.H., Li Z., Liang Y., Lin X., Liu X., Mattei B., McIntosh T.C.,
RA McLeod M.P., McPherson D., Merkulov G., Milshina N.V., Mobarry C.,
RA Morris J., Moshrefi A., Mount S.M., Moy M., Murphy B., Murphy L.,
RA Muzny D.M., Nelson D.L., Nelson D.R., Nelson K.A., Nixon K., Nusskern D.R.,
RA Pacleb J.M., Palazzolo M., Pittman G.S., Pan S., Pollard J., Puri V.,
RA Reese M.G., Reinert K., Remington K., Saunders R.D.C., Scheeler F.,
RA Shen H., Shue B.C., Siden-Kiamos I., Simpson M., Skupski M.P., Smith T.J.,
RA Spier E., Spradling A.C., Stapleton M., Strong R., Sun E., Svirskas R.,
RA Tector C., Turner R., Venter E., Wang A.H., Wang X., Wang Z.-Y.,
RA Wassarman D.A., Weinstock G.M., Weissenbach J., Williams S.M., Woodage T.,
RA Worley K.C., Wu D., Yang S., Yao Q.A., Ye J., Yeh R.-F., Zaveri J.S.,
RA Zhan M., Zhang G., Zhao Q., Zheng L., Zheng X.H., Zhong F.N., Zhong W.,
RA Zhou X., Zhu S.C., Zhu X., Smith H.O., Gibbs R.A., Myers E.W., Rubin G.M.,
RA Venter J.C.;
RT "The genome sequence of Drosophila melanogaster.";
RL Science 287:2185-2195(2000).
RN [2]
RP GENOME REANNOTATION.
RC STRAIN=Berkeley;
RX PubMed=12537572; DOI=10.1186/gb-2002-3-12-research0083;
RA Misra S., Crosby M.A., Mungall C.J., Matthews B.B., Campbell K.S.,
RA Hradecky P., Huang Y., Kaminker J.S., Millburn G.H., Prochnik S.E.,
RA Smith C.D., Tupy J.L., Whitfield E.J., Bayraktaroglu L., Berman B.P.,
RA Bettencourt B.R., Celniker S.E., de Grey A.D.N.J., Drysdale R.A.,
RA Harris N.L., Richter J., Russo S., Schroeder A.J., Shu S.Q., Stapleton M.,
RA Yamada C., Ashburner M., Gelbart W.M., Rubin G.M., Lewis S.E.;
RT "Annotation of the Drosophila melanogaster euchromatic genome: a systematic
RT review.";
RL Genome Biol. 3:RESEARCH0083.1-RESEARCH0083.22(2002).
RN [3]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RC STRAIN=Berkeley; TISSUE=Embryo;
RX PubMed=12537569; DOI=10.1186/gb-2002-3-12-research0080;
RA Stapleton M., Carlson J.W., Brokstein P., Yu C., Champe M., George R.A.,
RA Guarin H., Kronmiller B., Pacleb J.M., Park S., Wan K.H., Rubin G.M.,
RA Celniker S.E.;
RT "A Drosophila full-length cDNA resource.";
RL Genome Biol. 3:RESEARCH0080.1-RESEARCH0080.8(2002).
RN [4]
RP FUNCTION.
RX PubMed=15749697; DOI=10.1074/jbc.m500569200;
RA Matsushima Y., Adan C., Garesse R., Kaguni L.S.;
RT "Drosophila mitochondrial transcription factor B1 modulates mitochondrial
RT translation but not transcription or DNA copy number in Schneider cells.";
RL J. Biol. Chem. 280:16815-16820(2005).
CC -!- FUNCTION: Probable S-adenosyl-L-methionine-dependent methyltransferase
CC which specifically dimethylates mitochondrial 12S rRNA at the conserved
CC stem loop. In contrast to mtTFB2, it does not have a critical role in
CC either transcription or regulation of the copy number of mitochondrial
CC DNA. {ECO:0000269|PubMed:15749697}.
CC -!- SUBCELLULAR LOCATION: Mitochondrion {ECO:0000250}.
CC -!- MISCELLANEOUS: Encoded on a bicistronic transcript that code for two
CC proteins mtTFB1 and CG42630.
CC -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase
CC superfamily. rRNA adenine N(6)-methyltransferase family. KsgA
CC subfamily. {ECO:0000255|PROSITE-ProRule:PRU01026}.
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DR EMBL; AE014296; AAF50022.2; -; Genomic_DNA.
DR EMBL; AY069635; AAL39780.1; -; mRNA.
DR RefSeq; NP_648499.1; NM_140242.4.
DR AlphaFoldDB; Q9VTM5; -.
DR SMR; Q9VTM5; -.
DR BioGRID; 1073033; 2.
DR STRING; 7227.FBpp0291478; -.
DR PaxDb; 7227-FBpp0291478; -.
DR DNASU; 8674019; -.
DR EnsemblMetazoa; FBtr0302272; FBpp0291478; FBgn0261381.
DR GeneID; 8674019; -.
DR KEGG; dme:Dmel_CG42631; -.
DR AGR; FB:FBgn0261381; -.
DR CTD; 8674019; -.
DR FlyBase; FBgn0261381; mtTFB1.
DR VEuPathDB; VectorBase:FBgn0261381; -.
DR eggNOG; KOG0821; Eukaryota.
DR GeneTree; ENSGT00950000183142; -.
DR HOGENOM; CLU_041220_7_0_1; -.
DR InParanoid; Q9VTM5; -.
DR OMA; RIEQPFK; -.
DR OrthoDB; 1381057at2759; -.
DR PhylomeDB; Q9VTM5; -.
DR BioGRID-ORCS; 8674019; 1 hit in 1 CRISPR screen.
DR GenomeRNAi; 8674019; -.
DR PRO; PR:Q9VTM5; -.
DR Proteomes; UP000000803; Chromosome 3L.
DR Bgee; FBgn0261381; Expressed in Malpighian tubule and 13 other cell types or tissues.
DR Genevisible; Q9VTM5; DM.
DR GO; GO:0005759; C:mitochondrial matrix; ISS:UniProtKB.
DR GO; GO:0005739; C:mitochondrion; IDA:FlyBase.
DR GO; GO:0034246; F:mitochondrial transcription factor activity; ISS:UniProtKB.
DR GO; GO:0003723; F:RNA binding; IEA:UniProtKB-KW.
DR GO; GO:0000179; F:rRNA (adenine-N6,N6-)-dimethyltransferase activity; IBA:GO_Central.
DR GO; GO:0006390; P:mitochondrial transcription; ISS:UniProtKB.
DR GO; GO:0006417; P:regulation of translation; IMP:FlyBase.
DR GO; GO:0031167; P:rRNA methylation; IBA:GO_Central.
DR GO; GO:0006391; P:transcription initiation at mitochondrial promoter; IBA:GO_Central.
DR CDD; cd02440; AdoMet_MTases; 1.
DR Gene3D; 1.10.8.100; Ribosomal RNA adenine dimethylase-like, domain 2; 1.
DR Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 1.
DR InterPro; IPR001737; KsgA/Erm.
DR InterPro; IPR023165; rRNA_Ade_diMease-like_C.
DR InterPro; IPR020596; rRNA_Ade_Mease_Trfase_CS.
DR InterPro; IPR020598; rRNA_Ade_methylase_Trfase_N.
DR InterPro; IPR011530; rRNA_adenine_dimethylase.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR NCBIfam; TIGR00755; ksgA; 1.
DR PANTHER; PTHR11727; DIMETHYLADENOSINE TRANSFERASE; 1.
DR PANTHER; PTHR11727:SF17; DIMETHYLADENOSINE TRANSFERASE 1, MITOCHONDRIAL; 1.
DR Pfam; PF00398; RrnaAD; 1.
DR SMART; SM00650; rADc; 1.
DR SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 1.
DR PROSITE; PS01131; RRNA_A_DIMETH; 1.
DR PROSITE; PS51689; SAM_RNA_A_N6_MT; 1.
PE 2: Evidence at transcript level;
KW Methyltransferase; Mitochondrion; Reference proteome; RNA-binding;
KW rRNA processing; S-adenosyl-L-methionine; Transferase; Transit peptide.
FT TRANSIT 1..84
FT /note="Mitochondrion"
FT /evidence="ECO:0000255"
FT CHAIN 85..330
FT /note="Dimethyladenosine transferase 1, mitochondrial"
FT /id="PRO_0000273183"
FT BINDING 38..41
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000250"
FT BINDING 39
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01026"
FT BINDING 41
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01026"
FT BINDING 67
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01026"
FT BINDING 89
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01026"
FT BINDING 118
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01026"
FT BINDING 140
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01026"
SQ SEQUENCE 330 AA; 38101 MW; 2518FB58F360AD49 CRC64;
MAQPSARVLQ SGMRLPPMPT IRELVKLYRL QARKQLSQNF LMDERLTDKI VKSAGRIDPR
DLVLEVGPGP GGITRSILRR HPQRLLLVEK DPRFGETLQL LKECASPLNI QFDIHYDDIL
RFNIEQHIPD TSQRIHLIGN LPFAISTRLL INWLDDLAAR RGAFRRIDTC MTLTFQQEVA
ERICAPVGGE QRCRLSVMSQ VWTEPVMKFT IPGKAFVPKP QVDVGVVKLI PLKRPKTQLP
FHLVERVVRH IFSMRQKYCR RGYGTLLPPE DREEVAEKLF QRAEVQDTLR PFELTVEQCL
RLAEVYSEHL VTRPEVAAYD YRAPKNVEVL
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