ID   RPIA_SALEP              Reviewed;         219 AA.
AC   B5QXJ0;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   04-NOV-2008, sequence version 1.
DT   27-MAR-2024, entry version 73.
DE   RecName: Full=Ribose-5-phosphate isomerase A {ECO:0000255|HAMAP-Rule:MF_00170};
DE            EC=5.3.1.6 {ECO:0000255|HAMAP-Rule:MF_00170};
DE   AltName: Full=Phosphoriboisomerase A {ECO:0000255|HAMAP-Rule:MF_00170};
DE            Short=PRI {ECO:0000255|HAMAP-Rule:MF_00170};
GN   Name=rpiA {ECO:0000255|HAMAP-Rule:MF_00170};
GN   OrderedLocusNames=SEN2906;
OS   Salmonella enteritidis PT4 (strain P125109).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Salmonella.
OX   NCBI_TaxID=550537;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=P125109;
RX   PubMed=18583645; DOI=10.1101/gr.077404.108;
RA   Thomson N.R., Clayton D.J., Windhorst D., Vernikos G., Davidson S.,
RA   Churcher C., Quail M.A., Stevens M., Jones M.A., Watson M., Barron A.,
RA   Layton A., Pickard D., Kingsley R.A., Bignell A., Clark L., Harris B.,
RA   Ormond D., Abdellah Z., Brooks K., Cherevach I., Chillingworth T.,
RA   Woodward J., Norberczak H., Lord A., Arrowsmith C., Jagels K., Moule S.,
RA   Mungall K., Saunders M., Whitehead S., Chabalgoity J.A., Maskell D.,
RA   Humphreys T., Roberts M., Barrow P.A., Dougan G., Parkhill J.;
RT   "Comparative genome analysis of Salmonella enteritidis PT4 and Salmonella
RT   gallinarum 287/91 provides insights into evolutionary and host adaptation
RT   pathways.";
RL   Genome Res. 18:1624-1637(2008).
CC   -!- FUNCTION: Catalyzes the reversible conversion of ribose-5-phosphate to
CC       ribulose 5-phosphate. {ECO:0000255|HAMAP-Rule:MF_00170}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=aldehydo-D-ribose 5-phosphate = D-ribulose 5-phosphate;
CC         Xref=Rhea:RHEA:14657, ChEBI:CHEBI:58121, ChEBI:CHEBI:58273;
CC         EC=5.3.1.6; Evidence={ECO:0000255|HAMAP-Rule:MF_00170};
CC   -!- PATHWAY: Carbohydrate degradation; pentose phosphate pathway; D-ribose
CC       5-phosphate from D-ribulose 5-phosphate (non-oxidative stage): step
CC       1/1. {ECO:0000255|HAMAP-Rule:MF_00170}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00170}.
CC   -!- SIMILARITY: Belongs to the ribose 5-phosphate isomerase family.
CC       {ECO:0000255|HAMAP-Rule:MF_00170}.
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DR   EMBL; AM933172; CAR34484.1; -; Genomic_DNA.
DR   RefSeq; WP_000189741.1; NC_011294.1.
DR   AlphaFoldDB; B5QXJ0; -.
DR   SMR; B5QXJ0; -.
DR   KEGG; set:SEN2906; -.
DR   HOGENOM; CLU_056590_1_1_6; -.
DR   UniPathway; UPA00115; UER00412.
DR   Proteomes; UP000000613; Chromosome.
DR   GO; GO:0004751; F:ribose-5-phosphate isomerase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0009052; P:pentose-phosphate shunt, non-oxidative branch; IEA:UniProtKB-UniRule.
DR   CDD; cd01398; RPI_A; 1.
DR   Gene3D; 3.30.70.260; -; 1.
DR   Gene3D; 3.40.50.1360; -; 1.
DR   HAMAP; MF_00170; Rib_5P_isom_A; 1.
DR   InterPro; IPR037171; NagB/RpiA_transferase-like.
DR   InterPro; IPR020672; Ribose5P_isomerase_typA_subgr.
DR   InterPro; IPR004788; Ribose5P_isomerase_type_A.
DR   NCBIfam; TIGR00021; rpiA; 1.
DR   PANTHER; PTHR11934; RIBOSE-5-PHOSPHATE ISOMERASE; 1.
DR   PANTHER; PTHR11934:SF0; RIBOSE-5-PHOSPHATE ISOMERASE; 1.
DR   Pfam; PF06026; Rib_5-P_isom_A; 1.
DR   SUPFAM; SSF75445; D-ribose-5-phosphate isomerase (RpiA), lid domain; 1.
DR   SUPFAM; SSF100950; NagB/RpiA/CoA transferase-like; 1.
PE   3: Inferred from homology;
KW   Isomerase.
FT   CHAIN           1..219
FT                   /note="Ribose-5-phosphate isomerase A"
FT                   /id="PRO_1000097690"
FT   ACT_SITE        103
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT   BINDING         28..31
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT   BINDING         81..84
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT   BINDING         94..97
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT   BINDING         121
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
SQ   SEQUENCE   219 AA;  22895 MW;  FEA022A02971BF3B CRC64;
     MTQDELKKAV GWAALQYVQP GTIVGVGTGS TAAHFIDALG TMKGQIEGAV SSSDASTEKL
     KGLGIHVFDL NEVDSLGIYV DGADEINGHM QMIKGGGAAL TREKIIASVA EKFICIADAS
     KQVDILGKFP LPVEVIPMAR SAVARQLVKL GGRPEYRQNV VTDNGNVILD VYGMEILDPI
     ALENAINAIP GVVTVGLFAN RGADVALIGT PDGVKTIVK
//