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DTD_MYCBT
ID   DTD_MYCBT               Reviewed;         143 AA.
AC   C1APH7;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   26-MAY-2009, sequence version 1.
DT   25-MAY-2022, entry version 64.
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}; OrderedLocusNames=JTY_1920;
OS   Mycobacterium bovis (strain BCG / Tokyo 172 / ATCC 35737 / TMC 1019).
OC   Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae;
OC   Mycobacterium; Mycobacterium tuberculosis complex.
OX   NCBI_TaxID=561275;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=BCG / Tokyo 172 / ATCC 35737 / TMC 1019;
RX   PubMed=19200449; DOI=10.1016/j.vaccine.2009.01.034;
RA   Seki M., Honda I., Fujita I., Yano I., Yamamoto S., Koyama A.;
RT   "Whole genome sequence analysis of Mycobacterium bovis bacillus Calmette-
RT   Guerin (BCG) Tokyo 172: a comparative study of BCG vaccine substrains.";
RL   Vaccine 27:1710-1716(2009).
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 = glycine + H(+) + tRNA(Ala);
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 D-alpha-amino acid + a tRNA +
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}.
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DR   EMBL; AP010918; BAH26206.1; -; Genomic_DNA.
DR   RefSeq; WP_011799228.1; NZ_CP014566.1.
DR   AlphaFoldDB; C1APH7; -.
DR   SMR; C1APH7; -.
DR   KEGG; mbt:JTY_1920; -.
DR   HOGENOM; CLU_076901_1_2_11; -.
DR   OMA; GVFQAHM; -.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0051499; F:D-aminoacyl-tRNA deacylase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0106026; F:Gly-tRNA(Ala) hydrolase 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   Gene3D; 3.50.80.10; -; 1.
DR   HAMAP; MF_00518; Deacylase_Dtd; 1.
DR   InterPro; IPR003732; Daa-tRNA_deacyls_DTD.
DR   InterPro; IPR023509; DTD-like_sf.
DR   PANTHER; PTHR10472; PTHR10472; 1.
DR   Pfam; PF02580; Tyr_Deacylase; 1.
DR   SUPFAM; SSF69500; SSF69500; 1.
DR   TIGRFAMs; TIGR00256; TIGR00256; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Hydrolase; RNA-binding; tRNA-binding.
FT   CHAIN           1..143
FT                   /note="D-aminoacyl-tRNA deacylase"
FT                   /id="PRO_1000146204"
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;  15058 MW;  0EAF9D904C87DD4E CRC64;
     MRVLVQRVSS AAVRVDGRVV GAIRPDGQGL VAFVGVTHGD DLDKARRLAE KLWNLRVLAG
     EKSASDMHAP ILVISQFTLY ADTAKGRRPS WNAAAPGAVA QPLIAAFAAA LRQLGAHVEA
     GVFGAHMQVE LVNDGPVTVM LEG
 
 
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