ID   RPIA_LIMRD              Reviewed;         227 AA.
AC   A5VI94;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   10-JUL-2007, sequence version 1.
DT   03-AUG-2022, entry version 76.
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=Lreu_0298;
OS   Limosilactobacillus reuteri (strain DSM 20016) (Lactobacillus reuteri).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Lactobacillaceae;
OC   Limosilactobacillus.
OX   NCBI_TaxID=557436;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 20016;
RX   PubMed=21379339; DOI=10.1371/journal.pgen.1001314;
RA   Frese S.A., Benson A.K., Tannock G.W., Loach D.M., Kim J., Zhang M.,
RA   Oh P.L., Heng N.C., Patil P.B., Juge N., Mackenzie D.A., Pearson B.M.,
RA   Lapidus A., Dalin E., Tice H., Goltsman E., Land M., Hauser L., Ivanova N.,
RA   Kyrpides N.C., Walter J.;
RT   "The evolution of host specialization in the vertebrate gut symbiont
RT   Lactobacillus reuteri.";
RL   PLoS Genet. 7:E1001314-E1001314(2011).
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; CP000705; ABQ82568.1; -; Genomic_DNA.
DR   RefSeq; WP_003666281.1; NZ_AZDD01000008.1.
DR   AlphaFoldDB; A5VI94; -.
DR   SMR; A5VI94; -.
DR   STRING; 557436.Lreu_0298; -.
DR   PRIDE; A5VI94; -.
DR   EnsemblBacteria; ABQ82568; ABQ82568; Lreu_0298.
DR   GeneID; 66470400; -.
DR   KEGG; lre:Lreu_0298; -.
DR   PATRIC; fig|557436.17.peg.1915; -.
DR   eggNOG; COG0120; Bacteria.
DR   HOGENOM; CLU_056590_1_0_9; -.
DR   OMA; YDWDEVN; -.
DR   UniPathway; UPA00115; UER00412.
DR   Proteomes; UP000001991; 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   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; Reference proteome.
FT   CHAIN           1..227
FT                   /note="Ribose-5-phosphate isomerase A"
FT                   /id="PRO_1000058300"
FT   ACT_SITE        107
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         85..88
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT   BINDING         98..101
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT   BINDING         125
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
SQ   SEQUENCE   227 AA;  25037 MW;  DB15903AEB3AE0D5 CRC64;
     MDQNALKEQT GKESVKYIKS GMIVGLGTGS TVKYMVDELG KQVQEGKIKD IIGVTTSNRT
     AKQARDLGIT IKDIDDVDHI DLTIDGADEI SDDFQGIKGG GGALLWEKIV ANASNKVMWI
     VDESKLVHKL GAFPLPVEVI PFGSQHVFDR LEKKGYKPTW RMDGDKKFRT DENNYIIDLH
     LGEIDDPKAL ADELIHMVGI VETGLFLNRV NDVIVGTPEG PKVLHAR