ID A0A1H4BDM6_ALKAM Unreviewed; 322 AA.
AC A0A1H4BDM6;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 27-MAR-2024, entry version 24.
DE RecName: Full=tRNA U34 carboxymethyltransferase {ECO:0000256|HAMAP-Rule:MF_01590};
DE EC=2.5.1.- {ECO:0000256|HAMAP-Rule:MF_01590};
GN Name=cmoB {ECO:0000256|HAMAP-Rule:MF_01590};
GN ORFNames=SAMN04488051_103306 {ECO:0000313|EMBL:SEA46249.1};
OS Alkalimonas amylolytica.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Alkalimonas.
OX NCBI_TaxID=152573 {ECO:0000313|EMBL:SEA46249.1, ECO:0000313|Proteomes:UP000198773};
RN [1] {ECO:0000313|EMBL:SEA46249.1, ECO:0000313|Proteomes:UP000198773}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CGMCC 1.3430 {ECO:0000313|EMBL:SEA46249.1,
RC ECO:0000313|Proteomes:UP000198773};
RA de Groot N.N.;
RL Submitted (OCT-2016) to the EMBL/GenBank/DDBJ databases.
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:0000256|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:0000256|HAMAP-
CC Rule:MF_01590};
CC -!- SUBUNIT: Homotetramer. {ECO:0000256|HAMAP-Rule:MF_01590}.
CC -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase
CC superfamily. CmoB family. {ECO:0000256|HAMAP-Rule:MF_01590}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_01590}.
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DR EMBL; FNRM01000003; SEA46249.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1H4BDM6; -.
DR STRING; 152573.SAMN04488051_103306; -.
DR OrthoDB; 9773188at2; -.
DR Proteomes; UP000198773; Unassembled WGS sequence.
DR GO; GO:0008168; F:methyltransferase activity; IEA:UniProtKB-KW.
DR GO; GO:0016765; F:transferase activity, transferring alkyl or aryl (other than methyl) groups; IEA:UniProtKB-UniRule.
DR GO; GO:0032259; P:methylation; IEA:UniProtKB-KW.
DR GO; GO:0002098; P:tRNA wobble uridine modification; IEA:InterPro.
DR CDD; cd02440; AdoMet_MTases; 1.
DR Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 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 NCBIfam; TIGR00452; tRNA 5-methoxyuridine(34)/uridine 5-oxyacetic acid(34) synthase CmoB; 1.
DR PANTHER; PTHR43464; METHYLTRANSFERASE; 1.
DR PANTHER; PTHR43464:SF92; TRNA U34 CARBOXYMETHYLTRANSFERASE; 1.
DR Pfam; PF08003; Methyltransf_9; 1.
DR SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 1.
PE 3: Inferred from homology;
KW Methyltransferase {ECO:0000313|EMBL:SEA46249.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000198773};
KW Transferase {ECO:0000256|HAMAP-Rule:MF_01590, ECO:0000313|EMBL:SEA46249.1};
KW tRNA processing {ECO:0000256|HAMAP-Rule:MF_01590}.
FT BINDING 92
FT /ligand="carboxy-S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:134278"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01590"
FT BINDING 106
FT /ligand="carboxy-S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:134278"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01590"
FT BINDING 111
FT /ligand="carboxy-S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:134278"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01590"
FT BINDING 131
FT /ligand="carboxy-S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:134278"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01590"
FT BINDING 153..155
FT /ligand="carboxy-S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:134278"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01590"
FT BINDING 196
FT /ligand="carboxy-S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:134278"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01590"
FT BINDING 200
FT /ligand="carboxy-S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:134278"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01590"
FT BINDING 315
FT /ligand="carboxy-S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:134278"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01590"
SQ SEQUENCE 322 AA; 37221 MW; 7DD8D41911E87780 CRC64;
MTDLFIPFYQ QIAGNRLAHW LQTLPAQLAL WQKEALHGDF HRWQKVLAQL PATTVSSKEL
GDTITLGLAE AIDEGQRKRI EHLLRQLMPW RKGPFNIHGI YIDTEWRSDW KWQRLLPHIQ
PLKNRFVLDV GCGSGYHLWR MREAEADFVV GIDPSQLFYS QFEAIKHFNP DPKVHLLPIG
CDELPELQAF DTVFSMGVLY HRRSPLEFLQ QLKMQLRPGG ELVLETLVVE GDEHTVLVPG
ERYAKMRNVW FIPSCAALCH WLKRLGFKSP RVVDCSPTSL QEQRATAWME NESLIDFLDP
NDHSKTIEGY PAPLRAVIVA ER
//
