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PT1_STAEQ
ID   PT1_STAEQ               Reviewed;         572 AA.
AC   Q5HQ85;
DT   20-DEC-2005, integrated into UniProtKB/Swiss-Prot.
DT   15-FEB-2005, sequence version 1.
DT   03-AUG-2022, entry version 101.
DE   RecName: Full=Phosphoenolpyruvate-protein phosphotransferase {ECO:0000250|UniProtKB:P08839};
DE            EC=2.7.3.9 {ECO:0000250|UniProtKB:P08839};
DE   AltName: Full=Phosphotransferase system, enzyme I {ECO:0000250|UniProtKB:P08839};
GN   Name=ptsI; OrderedLocusNames=SERP0670;
OS   Staphylococcus epidermidis (strain ATCC 35984 / RP62A).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=176279;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 35984 / RP62A;
RX   PubMed=15774886; DOI=10.1128/jb.187.7.2426-2438.2005;
RA   Gill S.R., Fouts D.E., Archer G.L., Mongodin E.F., DeBoy R.T., Ravel J.,
RA   Paulsen I.T., Kolonay J.F., Brinkac L.M., Beanan M.J., Dodson R.J.,
RA   Daugherty S.C., Madupu R., Angiuoli S.V., Durkin A.S., Haft D.H.,
RA   Vamathevan J.J., Khouri H., Utterback T.R., Lee C., Dimitrov G., Jiang L.,
RA   Qin H., Weidman J., Tran K., Kang K.H., Hance I.R., Nelson K.E.,
RA   Fraser C.M.;
RT   "Insights on evolution of virulence and resistance from the complete genome
RT   analysis of an early methicillin-resistant Staphylococcus aureus strain and
RT   a biofilm-producing methicillin-resistant Staphylococcus epidermidis
RT   strain.";
RL   J. Bacteriol. 187:2426-2438(2005).
CC   -!- FUNCTION: General (non sugar-specific) component of the
CC       phosphoenolpyruvate-dependent sugar phosphotransferase system (sugar
CC       PTS). This major carbohydrate active-transport system catalyzes the
CC       phosphorylation of incoming sugar substrates concomitantly with their
CC       translocation across the cell membrane. Enzyme I transfers the
CC       phosphoryl group from phosphoenolpyruvate (PEP) to the phosphoryl
CC       carrier protein (HPr). {ECO:0000250|UniProtKB:P08839}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=L-histidyl-[protein] + phosphoenolpyruvate = N(pros)-phospho-
CC         L-histidyl-[protein] + pyruvate; Xref=Rhea:RHEA:23880, Rhea:RHEA-
CC         COMP:9745, Rhea:RHEA-COMP:9746, ChEBI:CHEBI:15361, ChEBI:CHEBI:29979,
CC         ChEBI:CHEBI:58702, ChEBI:CHEBI:64837; EC=2.7.3.9;
CC         Evidence={ECO:0000250|UniProtKB:P08839};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000250|UniProtKB:P08839};
CC   -!- SUBUNIT: Homodimer. {ECO:0000250|UniProtKB:P08839}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000305}.
CC   -!- DOMAIN: The N-terminal domain contains the HPr binding site, the
CC       central domain the pyrophosphate/phosphate carrier histidine, and the
CC       C-terminal domain the pyruvate binding site.
CC       {ECO:0000250|UniProtKB:P08839}.
CC   -!- MISCELLANEOUS: The reaction takes place in three steps, mediated by a
CC       phosphocarrier histidine residue located on the surface of the central
CC       domain. The two first partial reactions are catalyzed at an active site
CC       located on the N-terminal domain, and the third partial reaction is
CC       catalyzed at an active site located on the C-terminal domain. For
CC       catalytic turnover, the central domain swivels from the concave surface
CC       of the N-terminal domain to that of the C-terminal domain.
CC       {ECO:0000250|UniProtKB:P08839}.
CC   -!- SIMILARITY: Belongs to the PEP-utilizing enzyme family. {ECO:0000305}.
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DR   EMBL; CP000029; AAW54027.1; -; Genomic_DNA.
DR   RefSeq; WP_001831740.1; NC_002976.3.
DR   AlphaFoldDB; Q5HQ85; -.
DR   SMR; Q5HQ85; -.
DR   STRING; 176279.SERP0670; -.
DR   EnsemblBacteria; AAW54027; AAW54027; SERP0670.
DR   GeneID; 50019079; -.
DR   KEGG; ser:SERP0670; -.
DR   eggNOG; COG1080; Bacteria.
DR   HOGENOM; CLU_007308_7_0_9; -.
DR   OMA; CNAEWAL; -.
DR   OrthoDB; 467393at2; -.
DR   Proteomes; UP000000531; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0016301; F:kinase activity; IEA:UniProtKB-KW.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0008965; F:phosphoenolpyruvate-protein phosphotransferase activity; IEA:UniProtKB-EC.
DR   GO; GO:0009401; P:phosphoenolpyruvate-dependent sugar phosphotransferase system; IEA:UniProtKB-KW.
DR   GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR   Gene3D; 1.10.274.10; -; 1.
DR   Gene3D; 3.20.20.60; -; 1.
DR   InterPro; IPR008279; PEP-util_enz_mobile_dom.
DR   InterPro; IPR018274; PEP_util_AS.
DR   InterPro; IPR000121; PEP_util_C.
DR   InterPro; IPR023151; PEP_util_CS.
DR   InterPro; IPR036637; Phosphohistidine_dom_sf.
DR   InterPro; IPR024692; PTS_EI.
DR   InterPro; IPR006318; PTS_EI-like.
DR   InterPro; IPR008731; PTS_EIN.
DR   InterPro; IPR036618; PtsI_HPr-bd_sf.
DR   InterPro; IPR015813; Pyrv/PenolPyrv_Kinase-like_dom.
DR   InterPro; IPR040442; Pyrv_Kinase-like_dom_sf.
DR   Pfam; PF05524; PEP-utilisers_N; 1.
DR   Pfam; PF00391; PEP-utilizers; 1.
DR   Pfam; PF02896; PEP-utilizers_C; 1.
DR   PIRSF; PIRSF000732; PTS_enzyme_I; 1.
DR   SUPFAM; SSF47831; SSF47831; 1.
DR   SUPFAM; SSF51621; SSF51621; 1.
DR   SUPFAM; SSF52009; SSF52009; 1.
DR   TIGRFAMs; TIGR01417; PTS_I_fam; 1.
DR   PROSITE; PS00742; PEP_ENZYMES_2; 1.
DR   PROSITE; PS00370; PEP_ENZYMES_PHOS_SITE; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Kinase; Magnesium; Metal-binding; Phosphotransferase system;
KW   Reference proteome; Sugar transport; Transferase; Transport.
FT   CHAIN           1..572
FT                   /note="Phosphoenolpyruvate-protein phosphotransferase"
FT                   /id="PRO_0000147089"
FT   ACT_SITE        191
FT                   /note="Tele-phosphohistidine intermediate"
FT                   /evidence="ECO:0000250|UniProtKB:P08839"
FT   ACT_SITE        504
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000250|UniProtKB:P08839"
FT   BINDING         298
FT                   /ligand="phosphoenolpyruvate"
FT                   /ligand_id="ChEBI:CHEBI:58702"
FT                   /evidence="ECO:0000250|UniProtKB:P23533"
FT   BINDING         334
FT                   /ligand="phosphoenolpyruvate"
FT                   /ligand_id="ChEBI:CHEBI:58702"
FT                   /evidence="ECO:0000250|UniProtKB:P08839"
FT   BINDING         433
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000250|UniProtKB:P08839"
FT   BINDING         456..457
FT                   /ligand="phosphoenolpyruvate"
FT                   /ligand_id="ChEBI:CHEBI:58702"
FT                   /evidence="ECO:0000250|UniProtKB:P08839"
FT   BINDING         457
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000250|UniProtKB:P08839"
FT   BINDING         467
FT                   /ligand="phosphoenolpyruvate"
FT                   /ligand_id="ChEBI:CHEBI:58702"
FT                   /evidence="ECO:0000250|UniProtKB:P23533"
SQ   SEQUENCE   572 AA;  63362 MW;  51C95D705D8B3474 CRC64;
     MSKLIKGIAA SDGVAIAKAY LIVEPDLSYD SNEKVTDIES EVEKFNDAIE ASKIELTKIR
     NNAEAQLGAD KAAIFDAHLL VLDDPELIQP IQDKIRNDKV NAATGLDEVT TQFISIFESM
     DNEYMKERAA DIRDVSKRVL AHILGVDLPN PSLINESAVI VGNDLTPSDT AQLNKEFVQG
     FVTNIGGRTS HSAIMSRSLE IAAVVGTKSI TEEVKQGDMI IVDGMSGDVI IDPTEDELIA
     YQNKRERFFE DKKELQKLRD ADTVTVDGVH AELAANIGTP DDLSGVIDNG AQGIGLYRTE
     FLYMGRDQMP TEEEQFEAYK KVLETMDGKR VVVRTLDIGG DKELPYLDLP KEMNPFLGYR
     AIRLCLAQPE IFRPQLRALL RASVYGKLNI MFPMVATIKE FRDAKSMLLE EKENLLREGY
     EVSDDIELGI MVEIPATAAL ADVFAKEVDF FSIGTNDLIQ YTLAADRMSE RVSYLYQPYN
     PSILRLVKQV IEASHKEGKW TGMCGEMAGD QTAVPLLLGL GLDEFSMSAT SILKARRQIN
     GLSKNEMAEL ANRAVECSTQ EEVVDLVNQL AK
 
 
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