ID   PSRP_ECO8A              Reviewed;         277 AA.
AC   B7M1B1;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   24-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 66.
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=ECIAI1_1758;
OS   Escherichia coli O8 (strain IAI1).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=585034;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=IAI1;
RX   PubMed=19165319; DOI=10.1371/journal.pgen.1000344;
RA   Touchon M., Hoede C., Tenaillon O., Barbe V., Baeriswyl S., Bidet P.,
RA   Bingen E., Bonacorsi S., Bouchier C., Bouvet O., Calteau A., Chiapello H.,
RA   Clermont O., Cruveiller S., Danchin A., Diard M., Dossat C., Karoui M.E.,
RA   Frapy E., Garry L., Ghigo J.M., Gilles A.M., Johnson J., Le Bouguenec C.,
RA   Lescat M., Mangenot S., Martinez-Jehanne V., Matic I., Nassif X., Oztas S.,
RA   Petit M.A., Pichon C., Rouy Z., Ruf C.S., Schneider D., Tourret J.,
RA   Vacherie B., Vallenet D., Medigue C., Rocha E.P.C., Denamur E.;
RT   "Organised genome dynamics in the Escherichia coli species results in
RT   highly diverse adaptive paths.";
RL   PLoS Genet. 5:E1000344-E1000344(2009).
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; CU928160; CAQ98615.1; -; Genomic_DNA.
DR   RefSeq; WP_000368046.1; NC_011741.1.
DR   AlphaFoldDB; B7M1B1; -.
DR   SMR; B7M1B1; -.
DR   GeneID; 66674403; -.
DR   KEGG; ecr:ECIAI1_1758; -.
DR   HOGENOM; CLU_046206_1_0_6; -.
DR   OMA; YAQCEFE; -.
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_1000136469"
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;  31211 MW;  25508DEEC2E342CA CRC64;
     MDNAVDRHVF YISDGTAITA EVLGHAVMSQ FPVTISSITL PFVENESRAR AVKDQIDAIY
     HQTGVRPLVF YSIVLPEIRA IILQSEGFCQ DIVQALVAPL QQEMKLDPTP IAHRTHGLNP
     NNLNKYDARI AAIDYTLAHD DGISLRNLDQ AQVILLGVSR CGKTPTSLYL AMQFGIRAAN
     YPFIADDMDN LVLPASLKPL QHKLFGLTID PERLAAIREE RRENSRYASL RQCRMEVAEV
     EALYRKNQIP WINSTNYSVE EIATKILDIM GLSRRMY