ID DTD_MYCUA Reviewed; 143 AA. AC A0PSA3; DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot. DT 09-JAN-2007, sequence version 1. DT 10-JUN-2026, entry version 97. DE RecName: Full=D-aminoacyl-tRNA deacylase {ECO:0000255|HAMAP-Rule:MF_00518}; DE Short=DTD {ECO:0000255|HAMAP-Rule:MF_00518}; DE EC=3.1.1.96 {ECO:0000255|HAMAP-Rule:MF_00518}; DE AltName: Full=Gly-tRNA(Ala) deacylase {ECO:0000255|HAMAP-Rule:MF_00518}; GN Name=dtd {ECO:0000255|HAMAP-Rule:MF_00518}; GN OrderedLocusNames=MUL_2960; OS Mycobacterium ulcerans (strain Agy99). OC Bacteria; Bacillati; Actinomycetota; Actinomycetes; Mycobacteriales; OC Mycobacteriaceae; Mycobacterium; Mycobacterium ulcerans group. OX NCBI_TaxID=362242; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=Agy99; RX PubMed=17210928; DOI=10.1101/gr.5942807; RA Stinear T.P., Seemann T., Pidot S., Frigui W., Reysset G., Garnier T., RA Meurice G., Simon D., Bouchier C., Ma L., Tichit M., Porter J.L., Ryan J., RA Johnson P.D.R., Davies J.K., Jenkin G.A., Small P.L.C., Jones L.M., RA Tekaia F., Laval F., Daffe M., Parkhill J., Cole S.T.; RT "Reductive evolution and niche adaptation inferred from the genome of RT Mycobacterium ulcerans, the causative agent of Buruli ulcer."; RL Genome Res. 17:192-200(2007). CC -!- FUNCTION: An aminoacyl-tRNA editing enzyme that deacylates mischarged CC D-aminoacyl-tRNAs. Also deacylates mischarged glycyl-tRNA(Ala), CC protecting cells against glycine mischarging by AlaRS. Acts via tRNA- CC based rather than protein-based catalysis; rejects L-amino acids rather CC than detecting D-amino acids in the active site. By recycling D- CC aminoacyl-tRNA to D-amino acids and free tRNA molecules, this enzyme CC counteracts the toxicity associated with the formation of D-aminoacyl- CC tRNA entities in vivo and helps enforce protein L-homochirality. CC {ECO:0000255|HAMAP-Rule:MF_00518}. CC -!- CATALYTIC ACTIVITY: CC Reaction=glycyl-tRNA(Ala) + H2O = tRNA(Ala) + glycine + H(+); CC Xref=Rhea:RHEA:53744, Rhea:RHEA-COMP:9657, Rhea:RHEA-COMP:13640, CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:57305, CC ChEBI:CHEBI:78442, ChEBI:CHEBI:78522; EC=3.1.1.96; CC Evidence={ECO:0000255|HAMAP-Rule:MF_00518}; CC -!- CATALYTIC ACTIVITY: CC Reaction=a D-aminoacyl-tRNA + H2O = a tRNA + a D-alpha-amino acid + CC H(+); Xref=Rhea:RHEA:13953, Rhea:RHEA-COMP:10123, Rhea:RHEA- CC COMP:10124, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:59871, CC ChEBI:CHEBI:78442, ChEBI:CHEBI:79333; EC=3.1.1.96; CC Evidence={ECO:0000255|HAMAP-Rule:MF_00518}; CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00518}. CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00518}. CC -!- DOMAIN: A Gly-cisPro motif from one monomer fits into the active site CC of the other monomer to allow specific chiral rejection of L-amino CC acids. {ECO:0000255|HAMAP-Rule:MF_00518}. CC -!- SIMILARITY: Belongs to the DTD family. {ECO:0000255|HAMAP- CC Rule:MF_00518}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; CP000325; ABL05222.1; -; Genomic_DNA. DR RefSeq; WP_011740834.1; NC_008611.1. DR AlphaFoldDB; A0PSA3; -. DR SMR; A0PSA3; -. DR GeneID; 34343287; -. DR GeneID; 93437079; -. DR KEGG; mul:MUL_2960; -. DR eggNOG; COG1490; Bacteria. DR HOGENOM; CLU_076901_1_2_11; -. DR Proteomes; UP000000765; Chromosome. DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell. DR GO; GO:0051500; F:D-tyrosyl-tRNA(Tyr) deacylase activity; IEA:TreeGrafter. DR GO; GO:0106026; F:Gly-tRNA(Ala) deacylase activity; IEA:UniProtKB-UniRule. DR GO; GO:0043908; F:Ser(Gly)-tRNA(Ala) hydrolase activity; IEA:UniProtKB-UniRule. DR GO; GO:0000049; F:tRNA binding; IEA:UniProtKB-UniRule. DR GO; GO:0019478; P:D-amino acid catabolic process; IEA:UniProtKB-UniRule. DR CDD; cd00563; Dtyr_deacylase; 1. DR FunFam; 3.50.80.10:FF:000002; D-aminoacyl-tRNA deacylase; 1. DR Gene3D; 3.50.80.10; D-tyrosyl-tRNA(Tyr) deacylase; 1. DR HAMAP; MF_00518; Deacylase_Dtd; 1. DR InterPro; IPR003732; Daa-tRNA_deacyls_DTD. DR InterPro; IPR023509; DTD-like_sf. DR NCBIfam; TIGR00256; D-aminoacyl-tRNA deacylase; 1. DR PANTHER; PTHR10472:SF5; D-AMINOACYL-TRNA DEACYLASE 1; 1. DR PANTHER; PTHR10472; D-TYROSYL-TRNA TYR DEACYLASE; 1. DR Pfam; PF02580; Tyr_Deacylase; 1. DR SUPFAM; SSF69500; DTD-like; 1. PE 3: Inferred from homology; KW Cytoplasm; Hydrolase; Reference proteome; RNA-binding; tRNA-binding. FT CHAIN 1..143 FT /note="D-aminoacyl-tRNA deacylase" FT /id="PRO_1000050858" FT MOTIF 135..136 FT /note="Gly-cisPro motif, important for rejection of L-amino FT acids" FT /evidence="ECO:0000255|HAMAP-Rule:MF_00518" SQ SEQUENCE 143 AA; 15128 MW; D6A504AD9B53F251 CRC64; MRVLVQRVCS AAVTVDGDVV GAVRPPGQGL LAFVGVTHGD DGDKARRLAE KLWYLRILTD EKSASDLGAP ILVVSQFTLY ADTVKGRRPS WNAAAPRAVA EPLVAAFAEA LRALGAHVEA GVFGAHMQVE LINDGPVTVM LEL //