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DTD_FRATO
ID   DTD_FRATO               Reviewed;         145 AA.
AC   Q0BP79;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   17-OCT-2006, sequence version 1.
DT   03-AUG-2022, entry version 82.
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=FTH_0049;
OS   Francisella tularensis subsp. holarctica (strain OSU18).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Thiotrichales;
OC   Francisellaceae; Francisella.
OX   NCBI_TaxID=393011;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=OSU18;
RX   PubMed=16980500; DOI=10.1128/jb.00506-06;
RA   Petrosino J.F., Xiang Q., Karpathy S.E., Jiang H., Yerrapragada S., Liu Y.,
RA   Gioia J., Hemphill L., Gonzalez A., Raghavan T.M., Uzman A., Fox G.E.,
RA   Highlander S., Reichard M., Morton R.J., Clinkenbeard K.D., Weinstock G.M.;
RT   "Chromosome rearrangement and diversification of Francisella tularensis
RT   revealed by the type B (OSU18) genome sequence.";
RL   J. Bacteriol. 188:6977-6985(2006).
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; CP000437; ABI82105.1; -; Genomic_DNA.
DR   RefSeq; WP_003017627.1; NC_017463.1.
DR   AlphaFoldDB; Q0BP79; -.
DR   SMR; Q0BP79; -.
DR   KEGG; fth:FTH_0049; -.
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   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..145
FT                   /note="D-aminoacyl-tRNA deacylase"
FT                   /id="PRO_1000127537"
FT   MOTIF           137..138
FT                   /note="Gly-cisPro motif, important for rejection of L-amino
FT                   acids"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00518"
SQ   SEQUENCE   145 AA;  16325 MW;  14ECBC6AF631BDA6 CRC64;
     MLSIIQRVNC AKVVVDNQKV ADINKGILAL VCVEKEDTQQ NFEKMADKII KYRIFEDDAG
     KMNLSLVDID AEIILVPQFT LAADTKKGNR PSFSSGCPPE IAKEKFKEFE NIFRRKYNKV
     QTGIFGADMK VSLTNDGPVT FSFKI
 
 
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