ID   PTPB_STAHJ              Reviewed;         138 AA.
AC   Q4L7Z6;
DT   11-SEP-2007, integrated into UniProtKB/Swiss-Prot.
DT   02-AUG-2005, sequence version 1.
DT   03-AUG-2022, entry version 107.
DE   RecName: Full=Low molecular weight protein-tyrosine-phosphatase PtpB;
DE            EC=3.1.3.48;
DE   AltName: Full=Phosphotyrosine phosphatase B;
DE            Short=PTPase B;
GN   Name=ptpB; OrderedLocusNames=SH0920;
OS   Staphylococcus haemolyticus (strain JCSC1435).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=279808;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=JCSC1435;
RX   PubMed=16237012; DOI=10.1128/jb.187.21.7292-7308.2005;
RA   Takeuchi F., Watanabe S., Baba T., Yuzawa H., Ito T., Morimoto Y.,
RA   Kuroda M., Cui L., Takahashi M., Ankai A., Baba S., Fukui S., Lee J.C.,
RA   Hiramatsu K.;
RT   "Whole-genome sequencing of Staphylococcus haemolyticus uncovers the
RT   extreme plasticity of its genome and the evolution of human-colonizing
RT   staphylococcal species.";
RL   J. Bacteriol. 187:7292-7308(2005).
CC   -!- FUNCTION: Dephosphorylates the phosphotyrosine-containing proteins.
CC       {ECO:0000250}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H2O + O-phospho-L-tyrosyl-[protein] = L-tyrosyl-[protein] +
CC         phosphate; Xref=Rhea:RHEA:10684, Rhea:RHEA-COMP:10136, Rhea:RHEA-
CC         COMP:10137, ChEBI:CHEBI:15377, ChEBI:CHEBI:43474, ChEBI:CHEBI:46858,
CC         ChEBI:CHEBI:82620; EC=3.1.3.48;
CC   -!- SIMILARITY: Belongs to the low molecular weight phosphotyrosine protein
CC       phosphatase family. {ECO:0000305}.
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DR   EMBL; AP006716; BAE04229.1; -; Genomic_DNA.
DR   RefSeq; WP_011275231.1; NC_007168.1.
DR   AlphaFoldDB; Q4L7Z6; -.
DR   SMR; Q4L7Z6; -.
DR   STRING; 279808.SH0920; -.
DR   EnsemblBacteria; BAE04229; BAE04229; SH0920.
DR   KEGG; sha:SH0920; -.
DR   eggNOG; COG0394; Bacteria.
DR   HOGENOM; CLU_071415_1_2_9; -.
DR   OMA; AFFPQKA; -.
DR   OrthoDB; 2062716at2; -.
DR   Proteomes; UP000000543; Chromosome.
DR   GO; GO:0004725; F:protein tyrosine phosphatase activity; IEA:UniProtKB-EC.
DR   GO; GO:0006470; P:protein dephosphorylation; IEA:InterPro.
DR   InterPro; IPR023485; Ptyr_pPase.
DR   InterPro; IPR036196; Ptyr_pPase_sf.
DR   InterPro; IPR017867; Tyr_phospatase_low_mol_wt.
DR   Pfam; PF01451; LMWPc; 1.
DR   PRINTS; PR00719; LMWPTPASE.
DR   SMART; SM00226; LMWPc; 1.
DR   SUPFAM; SSF52788; SSF52788; 1.
PE   3: Inferred from homology;
KW   Hydrolase; Protein phosphatase.
FT   CHAIN           1..138
FT                   /note="Low molecular weight protein-tyrosine-phosphatase
FT                   PtpB"
FT                   /id="PRO_0000300682"
FT   ACT_SITE        7
FT                   /note="Nucleophile"
FT                   /evidence="ECO:0000250|UniProtKB:P11064"
FT   ACT_SITE        13
FT                   /evidence="ECO:0000250|UniProtKB:P11064"
FT   ACT_SITE        111
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000250|UniProtKB:P11064"
SQ   SEQUENCE   138 AA;  15463 MW;  0AF4C3E3F8D6BC25 CRC64;
     MRITFVCTGN TCRSPIAESI AKKMLVDDTI NSRGLFAIDG QSVSPESLEV IMEHNLPEPT
     VAKQFSEKDL NSDLILTMTD MHKQQLVSHY GDNGRIYQLS EYVGEIGDIV DPFGGSIDTY
     RQTFEQLLYL IGKLRTNS