ID J9IS85_9SPIT Unreviewed; 620 AA.
AC J9IS85;
DT 31-OCT-2012, integrated into UniProtKB/TrEMBL.
DT 31-OCT-2012, sequence version 1.
DT 24-JAN-2024, entry version 57.
DE RecName: Full=tRNA (guanine-N(7)-)-methyltransferase {ECO:0000256|HAMAP-Rule:MF_03055};
DE EC=2.1.1.33 {ECO:0000256|HAMAP-Rule:MF_03055};
DE AltName: Full=tRNA (guanine(46)-N(7))-methyltransferase {ECO:0000256|HAMAP-Rule:MF_03055};
DE AltName: Full=tRNA(m7G46)-methyltransferase {ECO:0000256|HAMAP-Rule:MF_03055};
GN ORFNames=OXYTRI_03482 {ECO:0000313|EMBL:EJY75135.1};
OS Oxytricha trifallax.
OC Eukaryota; Sar; Alveolata; Ciliophora; Intramacronucleata; Spirotrichea;
OC Stichotrichia; Sporadotrichida; Oxytrichidae; Oxytrichinae; Oxytricha.
OX NCBI_TaxID=1172189 {ECO:0000313|EMBL:EJY75135.1};
RN [1] {ECO:0000313|EMBL:EJY75135.1}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=JRB310 {ECO:0000313|EMBL:EJY75135.1};
RX PubMed=23382650; DOI=10.1371/journal.pbio.1001473;
RA Swart E.C., Bracht J.R., Magrini V., Minx P., Chen X., Zhou Y.,
RA Khurana J.S., Goldman A.D., Nowacki M., Schotanus K., Jung S., Fulton R.S.,
RA Ly A., McGrath S., Haub K., Wiggins J.L., Storton D., Matese J.C.,
RA Parsons L., Chang W.J., Bowen M.S., Stover N.A., Jones T.A., Eddy S.R.,
RA Herrick G.A., Doak T.G., Wilson R.K., Mardis E.R., Landweber L.F.;
RT "The Oxytricha trifallax Macronuclear Genome: A Complex Eukaryotic Genome
RT with 16,000 Tiny Chromosomes.";
RL PLoS Biol. 11:E1001473-E1001473(2013).
CC -!- FUNCTION: Catalyzes the formation of N(7)-methylguanine at position 46
CC (m7G46) in tRNA. {ECO:0000256|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:0000256|HAMAP-
CC Rule:MF_03055};
CC -!- PATHWAY: tRNA modification; N(7)-methylguanine-tRNA biosynthesis.
CC {ECO:0000256|HAMAP-Rule:MF_03055}.
CC -!- SUBCELLULAR LOCATION: Nucleus {ECO:0000256|HAMAP-Rule:MF_03055}.
CC -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase
CC superfamily. TrmB family. {ECO:0000256|HAMAP-Rule:MF_03055}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:EJY75135.1}.
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DR EMBL; AMCR01012626; EJY75135.1; -; Genomic_DNA.
DR AlphaFoldDB; J9IS85; -.
DR EnsemblProtists; EJY75135; EJY75135; OXYTRI_03482.
DR OrthoDB; 116813at2759; -.
DR UniPathway; UPA00989; -.
DR GO; GO:0005634; C:nucleus; IEA:UniProtKB-SubCell.
DR GO; GO:0008176; F:tRNA (guanine(46)-N7)-methyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0000049; F:tRNA binding; IEA:UniProtKB-UniRule.
DR CDD; cd02440; AdoMet_MTases; 1.
DR CDD; cd02947; TRX_family; 1.
DR Gene3D; 3.40.30.10; Glutaredoxin; 1.
DR Gene3D; 1.25.40.10; Tetratricopeptide repeat domain; 1.
DR Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 1.
DR HAMAP; MF_03055; tRNA_methyltr_TrmB_euk; 1.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR InterPro; IPR036249; Thioredoxin-like_sf.
DR InterPro; IPR017937; Thioredoxin_CS.
DR InterPro; IPR013766; Thioredoxin_domain.
DR InterPro; IPR011990; TPR-like_helical_dom_sf.
DR InterPro; IPR025763; Trm8_euk.
DR InterPro; IPR003358; tRNA_(Gua-N-7)_MeTrfase_Trmb.
DR NCBIfam; TIGR00091; tRNA (guanosine(46)-N7)-methyltransferase TrmB; 1.
DR PANTHER; PTHR23417; 3-DEOXY-D-MANNO-OCTULOSONIC-ACID TRANSFERASE/TRNA GUANINE-N 7 - -METHYLTRANSFERASE; 1.
DR PANTHER; PTHR23417:SF16; TRNA (GUANINE-N(7)-)-METHYLTRANSFERASE; 1.
DR Pfam; PF02390; Methyltransf_4; 1.
DR Pfam; PF00085; Thioredoxin; 1.
DR Pfam; PF14561; TPR_20; 1.
DR SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 1.
DR SUPFAM; SSF52833; Thioredoxin-like; 1.
DR SUPFAM; SSF48452; TPR-like; 1.
DR PROSITE; PS51625; SAM_MT_TRMB; 1.
DR PROSITE; PS00194; THIOREDOXIN_1; 1.
DR PROSITE; PS51352; THIOREDOXIN_2; 1.
PE 3: Inferred from homology;
KW Methyltransferase {ECO:0000256|ARBA:ARBA00022603, ECO:0000256|HAMAP-
KW Rule:MF_03055};
KW Nucleus {ECO:0000256|ARBA:ARBA00023242, ECO:0000256|HAMAP-Rule:MF_03055};
KW RNA-binding {ECO:0000256|ARBA:ARBA00022884, ECO:0000256|HAMAP-
KW Rule:MF_03055};
KW S-adenosyl-L-methionine {ECO:0000256|ARBA:ARBA00022691, ECO:0000256|HAMAP-
KW Rule:MF_03055};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_03055};
KW tRNA processing {ECO:0000256|ARBA:ARBA00022694, ECO:0000256|HAMAP-
KW Rule:MF_03055};
KW tRNA-binding {ECO:0000256|ARBA:ARBA00022555, ECO:0000256|HAMAP-
KW Rule:MF_03055}.
FT DOMAIN 1..120
FT /note="Thioredoxin"
FT /evidence="ECO:0000259|PROSITE:PS51352"
FT REGION 318..343
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 506
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03055"
FT BINDING 426
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03055"
FT BINDING 449..450
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03055"
FT BINDING 483..484
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03055"
FT BINDING 503
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03055"
FT BINDING 581..583
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03055"
SQ SEQUENCE 620 AA; 72198 MW; 80087EF14F4EE232 CRC64;
MDQAKEFLQE IKGYVDELND YQEWLPKVMQ SDKPVILDCY AEWCGPCKKL TPLLEDLTAS
AEGKFKLVKL NIDNLPQIAT GLKVRNIPAV FLIHKGNVID TFVGLPSEQQ LKQFIDTAIL
VDSIAHDENI MQTILDKAEE FINNNELENA EKIFMEGYTY ENWRDKFGPR LQVGIAYCFV
INHRDIKKSQ EILDQITEPK KKELPEFYKD LLAKTLAEIN NLQKNQAPSE EEQQLIQKIE
NDPSDMQSRY DLAKLQFESQ KYEDALESCL QSMSIQRNWN ERAAYQLLLK VFEKLGSSNE
VTIKARKRLS KILQEAKKQD HDDIDSDSHS INNNDNSLEP GMKRAKMPKK SKHRMRAHIN
PMGDLTIPVP MNTQYVDWSL HYPSFFGLEN NNSDKMVCNT GKFQLNYDTK VEEQKSDIVP
TMVDIGCGYG GLMFELAKEF PDKLCLGMEI RDKVTNYVVQ KINSCRINSQ YKDYMNIAVV
RTNTMKTIHN YFQKESLEKM FILFADPHFK KQNHRRRIIT TQLLSDYAYS LKTGGKIYTA
TDVKELHDWE VEHMELHPMF ERVPEEETKD DPCIKFMTER TDEAQKVARN GGSVWHAVYI
KKDITKQREQ IERDAIQFYL
//
