ID   RPIA_ECOK1              Reviewed;         231 AA.
AC   A1AFA2;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 1.
DT   03-AUG-2022, entry version 74.
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}; OrderedLocusNames=Ecok1_28480;
GN   ORFNames=APECO1_3615;
OS   Escherichia coli O1:K1 / APEC.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=405955;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=17293413; DOI=10.1128/jb.01726-06;
RA   Johnson T.J., Kariyawasam S., Wannemuehler Y., Mangiamele P., Johnson S.J.,
RA   Doetkott C., Skyberg J.A., Lynne A.M., Johnson J.R., Nolan L.K.;
RT   "The genome sequence of avian pathogenic Escherichia coli strain O1:K1:H7
RT   shares strong similarities with human extraintestinal pathogenic E. coli
RT   genomes.";
RL   J. Bacteriol. 189:3228-3236(2007).
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; CP000468; ABJ02342.1; -; Genomic_DNA.
DR   AlphaFoldDB; A1AFA2; -.
DR   SMR; A1AFA2; -.
DR   EnsemblBacteria; ABJ02342; ABJ02342; APECO1_3615.
DR   KEGG; ecv:APECO1_3615; -.
DR   HOGENOM; CLU_056590_1_1_6; -.
DR   OMA; YDWDEVN; -.
DR   UniPathway; UPA00115; UER00412.
DR   Proteomes; UP000008216; 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   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   PANTHER; PTHR11934; PTHR11934; 1.
DR   Pfam; PF06026; Rib_5-P_isom_A; 1.
DR   SUPFAM; SSF100950; SSF100950; 1.
DR   TIGRFAMs; TIGR00021; rpiA; 1.
PE   3: Inferred from homology;
KW   Isomerase.
FT   CHAIN           1..231
FT                   /note="Ribose-5-phosphate isomerase A"
FT                   /id="PRO_1000097662"
FT   ACT_SITE        115
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT   BINDING         40..43
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT   BINDING         93..96
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT   BINDING         106..109
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT   BINDING         133
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
SQ   SEQUENCE   231 AA;  24262 MW;  0C55AC91AFE6150B CRC64;
     MRVKFHTTGE TIMTQDELKK AVGWAALQYV QPGTIVGVGT GSTAAHFIDA LGTMKGQIEG
     AVSSSDASTE KLKSLGIHVF DLNEVDSLGI YVDGADEING HMQMIKGGGA ALTREKIIAS
     VAEKFICIAD ASKQVDILGK FPLPVEVIPM ARSAVARQLV KLGGRPEYRQ GVVTDNGNVI
     LDVHGMEILD PIAMENAINA IPGVVTVGLF ANRGADVALI GTPDGVKTIV K