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TRMB_CAMJD
ID   TRMB_CAMJD              Reviewed;         392 AA.
AC   A7H2A2;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   11-SEP-2007, sequence version 1.
DT   03-AUG-2022, entry version 73.
DE   RecName: Full=tRNA (guanine-N(7)-)-methyltransferase {ECO:0000255|HAMAP-Rule:MF_01057};
DE            EC=2.1.1.33 {ECO:0000255|HAMAP-Rule:MF_01057};
DE   AltName: Full=tRNA (guanine(46)-N(7))-methyltransferase {ECO:0000255|HAMAP-Rule:MF_01057};
DE   AltName: Full=tRNA(m7G46)-methyltransferase {ECO:0000255|HAMAP-Rule:MF_01057};
GN   Name=trmB {ECO:0000255|HAMAP-Rule:MF_01057};
GN   OrderedLocusNames=JJD26997_0447;
OS   Campylobacter jejuni subsp. doylei (strain ATCC BAA-1458 / RM4099 /
OS   269.97).
OC   Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC   Campylobacteraceae; Campylobacter.
OX   NCBI_TaxID=360109;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-1458 / RM4099 / 269.97;
RA   Fouts D.E., Mongodin E.F., Puiu D., Sebastian Y., Miller W.G.,
RA   Mandrell R.E., Lastovica A.J., Nelson K.E.;
RT   "Complete genome sequence of Campylobacter jejuni subsp doylei 269.97
RT   isolated from human blood.";
RL   Submitted (JUL-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Catalyzes the formation of N(7)-methylguanine at position 46
CC       (m7G46) in tRNA. {ECO:0000255|HAMAP-Rule:MF_01057}.
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_01057};
CC   -!- PATHWAY: tRNA modification; N(7)-methylguanine-tRNA biosynthesis.
CC       {ECO:0000255|HAMAP-Rule:MF_01057}.
CC   -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase
CC       superfamily. TrmB family. {ECO:0000255|HAMAP-Rule:MF_01057}.
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DR   EMBL; CP000768; ABS43838.1; -; Genomic_DNA.
DR   AlphaFoldDB; A7H2A2; -.
DR   SMR; A7H2A2; -.
DR   EnsemblBacteria; ABS43838; ABS43838; JJD26997_0447.
DR   KEGG; cjd:JJD26997_0447; -.
DR   HOGENOM; CLU_041532_0_0_7; -.
DR   OMA; FVHFPVP; -.
DR   UniPathway; UPA00989; -.
DR   Proteomes; UP000002302; Chromosome.
DR   GO; GO:0008176; F:tRNA (guanine-N7-)-methyltransferase activity; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.40.50.150; -; 1.
DR   HAMAP; MF_01057; tRNA_methyltr_TrmB; 1.
DR   InterPro; IPR029063; SAM-dependent_MTases_sf.
DR   InterPro; IPR003358; tRNA_(Gua-N-7)_MeTrfase_Trmb.
DR   PANTHER; PTHR23417; PTHR23417; 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; S-adenosyl-L-methionine; Transferase; tRNA processing.
FT   CHAIN           1..392
FT                   /note="tRNA (guanine-N(7)-)-methyltransferase"
FT                   /id="PRO_1000064389"
FT   BINDING         123
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT   BINDING         148
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT   BINDING         175
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT   BINDING         201
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT   BINDING         231
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
SQ   SEQUENCE   392 AA;  46122 MW;  00A2DEA6647C5764 CRC64;
     MPNFKSKKIK EINLPYSKDD VEFLWFAKND NVSLIYTKVQ EESFFLQIKK AQNGFVIKGD
     KHTKPSKIGY LQKALKIFKE GFCEDIINEA FGLKNNALIE KTPFIVDNFD ELLSKLQGKI
     YIEIGFGSGR HLLYQAKENP NVLILGVEIY NPALTQVAKL AKAQNVNNIL LIQSDARLLL
     SVLKSKSVEK IFLHFPVPWG KKPHRRVIGK DFCKECARVL VQNGRFELRT DSFEYFNFTL
     EQFLTFPAPK FSLRKNENLE ISSKYEDRWK KQEKNIYDLW VWNFNQECQN YELNEFNLSS
     VEFSKEDLKK IEQNFKNITI KKDDFFLHFE SIYKQDENLL LKVAFGAFNK SEHCYLHLDK
     TIDFAFKEPF KIQENIKAIN ELKEILKVQF KI
 
 
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