CMOB_CAMJR
ID CMOB_CAMJR Reviewed; 291 AA.
AC Q5HUI4;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 15-FEB-2005, sequence version 1.
DT 03-AUG-2022, entry version 82.
DE RecName: Full=tRNA U34 carboxymethyltransferase {ECO:0000255|HAMAP-Rule:MF_01590};
DE EC=2.5.1.- {ECO:0000255|HAMAP-Rule:MF_01590};
GN Name=cmoB {ECO:0000255|HAMAP-Rule:MF_01590}; OrderedLocusNames=CJE1058;
OS Campylobacter jejuni (strain RM1221).
OC Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC Campylobacteraceae; Campylobacter.
OX NCBI_TaxID=195099;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=RM1221;
RX PubMed=15660156; DOI=10.1371/journal.pbio.0030015;
RA Fouts D.E., Mongodin E.F., Mandrell R.E., Miller W.G., Rasko D.A.,
RA Ravel J., Brinkac L.M., DeBoy R.T., Parker C.T., Daugherty S.C.,
RA Dodson R.J., Durkin A.S., Madupu R., Sullivan S.A., Shetty J.U.,
RA Ayodeji M.A., Shvartsbeyn A., Schatz M.C., Badger J.H., Fraser C.M.,
RA Nelson K.E.;
RT "Major structural differences and novel potential virulence mechanisms from
RT the genomes of multiple Campylobacter species.";
RL PLoS Biol. 3:72-85(2005).
CC -!- FUNCTION: Catalyzes carboxymethyl transfer from carboxy-S-adenosyl-L-
CC methionine (Cx-SAM) to 5-hydroxyuridine (ho5U) to form 5-
CC carboxymethoxyuridine (cmo5U) at position 34 in tRNAs.
CC {ECO:0000255|HAMAP-Rule:MF_01590}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=5-hydroxyuridine(34) in tRNA + carboxy-S-adenosyl-L-methionine
CC = 5-carboxymethoxyuridine(34) in tRNA + H(+) + S-adenosyl-L-
CC homocysteine; Xref=Rhea:RHEA:52848, Rhea:RHEA-COMP:13381, Rhea:RHEA-
CC COMP:13383, ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:134278,
CC ChEBI:CHEBI:136877, ChEBI:CHEBI:136879; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_01590};
CC -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_01590}.
CC -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase
CC superfamily. CmoB family. {ECO:0000255|HAMAP-Rule:MF_01590}.
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DR EMBL; CP000025; AAW35386.1; -; Genomic_DNA.
DR AlphaFoldDB; Q5HUI4; -.
DR SMR; Q5HUI4; -.
DR KEGG; cjr:CJE1058; -.
DR HOGENOM; CLU_052665_1_0_7; -.
DR OMA; CEWRSDF; -.
DR GO; GO:0016765; F:transferase activity, transferring alkyl or aryl (other than methyl) groups; IEA:UniProtKB-UniRule.
DR GO; GO:0002098; P:tRNA wobble uridine modification; IEA:InterPro.
DR Gene3D; 3.40.50.150; -; 1.
DR HAMAP; MF_01590; tRNA_carboxymethyltr_CmoB; 1.
DR InterPro; IPR010017; CmoB.
DR InterPro; IPR027555; Mo5U34_MeTrfas-like.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR Pfam; PF08003; Methyltransf_9; 1.
DR SUPFAM; SSF53335; SSF53335; 1.
DR TIGRFAMs; TIGR00452; TIGR00452; 1.
PE 3: Inferred from homology;
KW Transferase; tRNA processing.
FT CHAIN 1..291
FT /note="tRNA U34 carboxymethyltransferase"
FT /id="PRO_0000313906"
FT BINDING 61
FT /ligand="carboxy-S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:134278"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01590"
FT BINDING 75
FT /ligand="carboxy-S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:134278"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01590"
FT BINDING 80
FT /ligand="carboxy-S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:134278"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01590"
FT BINDING 100
FT /ligand="carboxy-S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:134278"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01590"
FT BINDING 122..124
FT /ligand="carboxy-S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:134278"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01590"
FT BINDING 149..150
FT /ligand="carboxy-S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:134278"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01590"
FT BINDING 169
FT /ligand="carboxy-S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:134278"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01590"
FT BINDING 284
FT /ligand="carboxy-S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:134278"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01590"
SQ SEQUENCE 291 AA; 33814 MW; 02E647ED648FA03A CRC64;
MQENLLEKQF LNHPLYAKIQ ELKALNLACN FSLDDSVNLS TNSQAKDEIL AIAKELKPWR
KGPFKIDDLF IDTEWQSFIK FNILKPFMNE ISQKCVADIG CNNGYYMFKM LEFNPAKLIG
FDPSIKYRLQ FELINALAKT PIKYELLGVE DLPSYGLKFD VIFCLGVIYH RSDPIKMLKD
LKAGLNKNGV VFLDTMYIED EREIALVPNK TYSKIPNIYF VPSISALKNW CERAGFKEFE
VLATKKTDEN EQRKTEWIDS FSLENFLDPK DKNLTIEGYE APKRVYIRIK I