ID   PTH_STRTD               Reviewed;         189 AA.
AC   Q03N21;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   14-NOV-2006, sequence version 1.
DT   25-MAY-2022, entry version 81.
DE   RecName: Full=Peptidyl-tRNA hydrolase {ECO:0000255|HAMAP-Rule:MF_00083};
DE            Short=PTH {ECO:0000255|HAMAP-Rule:MF_00083};
DE            EC=3.1.1.29 {ECO:0000255|HAMAP-Rule:MF_00083};
GN   Name=pth {ECO:0000255|HAMAP-Rule:MF_00083}; OrderedLocusNames=STER_0006;
OS   Streptococcus thermophilus (strain ATCC BAA-491 / LMD-9).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=322159;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-491 / LMD-9;
RX   PubMed=17030793; DOI=10.1073/pnas.0607117103;
RA   Makarova K.S., Slesarev A., Wolf Y.I., Sorokin A., Mirkin B., Koonin E.V.,
RA   Pavlov A., Pavlova N., Karamychev V., Polouchine N., Shakhova V.,
RA   Grigoriev I., Lou Y., Rohksar D., Lucas S., Huang K., Goodstein D.M.,
RA   Hawkins T., Plengvidhya V., Welker D., Hughes J., Goh Y., Benson A.,
RA   Baldwin K., Lee J.-H., Diaz-Muniz I., Dosti B., Smeianov V., Wechter W.,
RA   Barabote R., Lorca G., Altermann E., Barrangou R., Ganesan B., Xie Y.,
RA   Rawsthorne H., Tamir D., Parker C., Breidt F., Broadbent J.R., Hutkins R.,
RA   O'Sullivan D., Steele J., Unlu G., Saier M.H. Jr., Klaenhammer T.,
RA   Richardson P., Kozyavkin S., Weimer B.C., Mills D.A.;
RT   "Comparative genomics of the lactic acid bacteria.";
RL   Proc. Natl. Acad. Sci. U.S.A. 103:15611-15616(2006).
CC   -!- FUNCTION: The natural substrate for this enzyme may be peptidyl-tRNAs
CC       which drop off the ribosome during protein synthesis.
CC       {ECO:0000255|HAMAP-Rule:MF_00083}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=an N-acyl-L-alpha-aminoacyl-tRNA + H2O = a tRNA + an N-acyl-L-
CC         amino acid + H(+); Xref=Rhea:RHEA:54448, Rhea:RHEA-COMP:10123,
CC         Rhea:RHEA-COMP:13883, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:59874, ChEBI:CHEBI:78442, ChEBI:CHEBI:138191;
CC         EC=3.1.1.29; Evidence={ECO:0000255|HAMAP-Rule:MF_00083};
CC   -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_00083}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00083}.
CC   -!- SIMILARITY: Belongs to the PTH family. {ECO:0000255|HAMAP-
CC       Rule:MF_00083}.
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DR   EMBL; CP000419; ABJ65401.1; -; Genomic_DNA.
DR   RefSeq; WP_002948591.1; NC_008532.1.
DR   AlphaFoldDB; Q03N21; -.
DR   SMR; Q03N21; -.
DR   GeneID; 66897908; -.
DR   KEGG; ste:STER_0006; -.
DR   HOGENOM; CLU_062456_4_1_9; -.
DR   OMA; HVLSKFH; -.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0004045; F:aminoacyl-tRNA hydrolase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006412; P:translation; IEA:UniProtKB-UniRule.
DR   CDD; cd00462; PTH; 1.
DR   Gene3D; 3.40.50.1470; -; 1.
DR   HAMAP; MF_00083; Pept_tRNA_hydro_bact; 1.
DR   InterPro; IPR001328; Pept_tRNA_hydro.
DR   InterPro; IPR018171; Pept_tRNA_hydro_CS.
DR   InterPro; IPR036416; Pept_tRNA_hydro_sf.
DR   PANTHER; PTHR17224; PTHR17224; 1.
DR   Pfam; PF01195; Pept_tRNA_hydro; 1.
DR   SUPFAM; SSF53178; SSF53178; 1.
DR   TIGRFAMs; TIGR00447; pth; 1.
DR   PROSITE; PS01195; PEPT_TRNA_HYDROL_1; 1.
DR   PROSITE; PS01196; PEPT_TRNA_HYDROL_2; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Hydrolase.
FT   CHAIN           1..189
FT                   /note="Peptidyl-tRNA hydrolase"
FT                   /id="PRO_1000010660"
SQ   SEQUENCE   189 AA;  21266 MW;  58E5E34DCBB3BBFC CRC64;
     MTKLVVGLGN PGSKYHETRH NVGFMAIDLM AKELGLTFSE EKTFKAEVAS TFLNGEKVYF
     VKPTTFMNLS GLAVRALLAY YNIPMEDFIV IYDDLDMEVG KLRFRQKGSA GGHNGIKSII
     AETGTQEFDR IKIGIGRPQK GMTVVNHVLG KFSEDDYAMI LLTLDKVETA LHHYLKTNDF
     EDTMRRYNG