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TRMB_CAMJJ
ID   TRMB_CAMJJ              Reviewed;         392 AA.
AC   A1W0R3;
DT   29-MAY-2007, integrated into UniProtKB/Swiss-Prot.
DT   06-FEB-2007, sequence version 1.
DT   03-AUG-2022, entry version 75.
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=CJJ81176_1294;
OS   Campylobacter jejuni subsp. jejuni serotype O:23/36 (strain 81-176).
OC   Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC   Campylobacteraceae; Campylobacter.
OX   NCBI_TaxID=354242;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=81-176;
RA   Fouts D.E., Nelson K.E., Sebastian Y.;
RL   Submitted (DEC-2006) 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; CP000538; EAQ72816.1; -; Genomic_DNA.
DR   RefSeq; WP_002856145.1; NC_008787.1.
DR   AlphaFoldDB; A1W0R3; -.
DR   SMR; A1W0R3; -.
DR   STRING; 354242.CJJ81176_1294; -.
DR   EnsemblBacteria; EAQ72816; EAQ72816; CJJ81176_1294.
DR   KEGG; cjj:CJJ81176_1294; -.
DR   eggNOG; COG0220; Bacteria.
DR   HOGENOM; CLU_041532_0_0_7; -.
DR   OMA; FVHFPVP; -.
DR   UniPathway; UPA00989; -.
DR   Proteomes; UP000000646; 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_0000288133"
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;  46215 MW;  CE2BE0CBE8DDD2DC CRC64;
     MPNFKSKKIK EINLPYSKDD VEFLWLAKND NVSLIYTKVQ EESFFLQIKK AQNGFVIKGD
     KHTKPSKIGY LQKALKIFKE GFCEDIINEA FGLKNNALIE KTPFIVDNFD ELLSKLQGKI
     YIEIGFGSGR HLLYQAKENP NVLILGVEIY NPALTQVAKL AKVQNVNNIL LIQSDARLLL
     SVLKSKSVEK IFLHFPVPWD KKPHRRVIGK DFCKECARVL TQNGRFELRT DSFEYFNFTL
     EQFLTFPAPK FSLRKNENLE ISSKYEDRWK KQEKNIYDLW VWNFNQECKN YELNEFNLSS
     VEFSKEDLKK IEQNFKNITI KKDDFFLHFE SIYKQDENLL LKVAFGAFNK PEHCYLHLDK
     TIDFVFKEPF KIQENIKAIN ELKEILKVQF KI
 
 
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