ID   PSRP_ECOL5              Reviewed;         277 AA.
AC   Q0THC5;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   05-SEP-2006, sequence version 1.
DT   03-AUG-2022, entry version 83.
DE   RecName: Full=Phosphoenolpyruvate synthase regulatory protein {ECO:0000255|HAMAP-Rule:MF_01062};
DE            Short=PEP synthase regulatory protein {ECO:0000255|HAMAP-Rule:MF_01062};
DE            Short=PSRP {ECO:0000255|HAMAP-Rule:MF_01062};
DE            EC=2.7.11.33 {ECO:0000255|HAMAP-Rule:MF_01062};
DE            EC=2.7.4.28 {ECO:0000255|HAMAP-Rule:MF_01062};
DE   AltName: Full=Pyruvate, water dikinase regulatory protein {ECO:0000255|HAMAP-Rule:MF_01062};
GN   Name=ppsR {ECO:0000255|HAMAP-Rule:MF_01062}; OrderedLocusNames=ECP_1651;
OS   Escherichia coli O6:K15:H31 (strain 536 / UPEC).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=362663;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=536 / UPEC;
RX   PubMed=16879640; DOI=10.1111/j.1365-2958.2006.05255.x;
RA   Hochhut B., Wilde C., Balling G., Middendorf B., Dobrindt U.,
RA   Brzuszkiewicz E., Gottschalk G., Carniel E., Hacker J.;
RT   "Role of pathogenicity island-associated integrases in the genome
RT   plasticity of uropathogenic Escherichia coli strain 536.";
RL   Mol. Microbiol. 61:584-595(2006).
CC   -!- FUNCTION: Bifunctional serine/threonine kinase and phosphorylase
CC       involved in the regulation of the phosphoenolpyruvate synthase (PEPS)
CC       by catalyzing its phosphorylation/dephosphorylation.
CC       {ECO:0000255|HAMAP-Rule:MF_01062}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=[pyruvate, water dikinase] + ADP = [pyruvate, water dikinase]-
CC         phosphate + AMP + H(+); Xref=Rhea:RHEA:46020, Rhea:RHEA-COMP:11425,
CC         Rhea:RHEA-COMP:11426, ChEBI:CHEBI:15378, ChEBI:CHEBI:43176,
CC         ChEBI:CHEBI:68546, ChEBI:CHEBI:456215, ChEBI:CHEBI:456216;
CC         EC=2.7.11.33; Evidence={ECO:0000255|HAMAP-Rule:MF_01062};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=[pyruvate, water dikinase]-phosphate + H(+) + phosphate =
CC         [pyruvate, water dikinase] + diphosphate; Xref=Rhea:RHEA:48580,
CC         Rhea:RHEA-COMP:11425, Rhea:RHEA-COMP:11426, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:33019, ChEBI:CHEBI:43176, ChEBI:CHEBI:43474,
CC         ChEBI:CHEBI:68546; EC=2.7.4.28; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01062};
CC   -!- SIMILARITY: Belongs to the pyruvate, phosphate/water dikinase
CC       regulatory protein family. PSRP subfamily. {ECO:0000255|HAMAP-
CC       Rule:MF_01062}.
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DR   EMBL; CP000247; ABG69654.1; -; Genomic_DNA.
DR   RefSeq; WP_000368055.1; NC_008253.1.
DR   AlphaFoldDB; Q0THC5; -.
DR   SMR; Q0THC5; -.
DR   STRING; 362663.ECP_1651; -.
DR   EnsemblBacteria; ABG69654; ABG69654; ECP_1651.
DR   KEGG; ecp:ECP_1651; -.
DR   HOGENOM; CLU_046206_1_0_6; -.
DR   OMA; YAQCEFE; -.
DR   Proteomes; UP000009182; Chromosome.
DR   GO; GO:0043531; F:ADP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0005524; F:ATP binding; IEA:InterPro.
DR   GO; GO:0016776; F:phosphotransferase activity, phosphate group as acceptor; IEA:UniProtKB-UniRule.
DR   GO; GO:0004674; F:protein serine/threonine kinase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006470; P:protein dephosphorylation; IEA:UniProtKB-UniRule.
DR   GO; GO:0006468; P:protein phosphorylation; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_01062; PSRP; 1.
DR   InterPro; IPR005177; Kinase-pyrophosphorylase.
DR   InterPro; IPR026530; PSRP.
DR   PANTHER; PTHR31756; PTHR31756; 1.
DR   Pfam; PF03618; Kinase-PPPase; 1.
PE   3: Inferred from homology;
KW   Kinase; Nucleotide-binding; Serine/threonine-protein kinase; Transferase.
FT   CHAIN           1..277
FT                   /note="Phosphoenolpyruvate synthase regulatory protein"
FT                   /id="PRO_0000316674"
FT   BINDING         157..164
FT                   /ligand="ADP"
FT                   /ligand_id="ChEBI:CHEBI:456216"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01062"
SQ   SEQUENCE   277 AA;  31239 MW;  269E903FDE2D5F1A CRC64;
     MDNAVDRHVF YISDGTAITA EVLGHAVMSQ FPVTISSITL PFVENESRAR AVKDQIDAIY
     HQTGVRPLVF YSIVLPEIRA IILRSEGFCQ DIVQALVAPL QQEMKLDPTP IAHRTHGLNP
     NNLNKYDARI AAIDYTLAHD DGISLRNLDQ AQVILLGVSR CGKTPTSLYL AMQFGIRAAN
     YPFIADDMDN LVLPASLKPL QHKLFGLTID PERLAAIREE RRENSRYASL RQCRMEVAEV
     EALYRKNQIP WINSTNYSVE EIATKILDIM GLSRRMY