ID   RPIA_AFIC5              Reviewed;         236 AA.
AC   B6JE08; F8BYQ2;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   16-DEC-2008, sequence version 1.
DT   03-AUG-2022, entry version 68.
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=OCAR_6529, OCA5_c15310;
OS   Afipia carboxidovorans (strain ATCC 49405 / DSM 1227 / KCTC 32145 / OM5)
OS   (Oligotropha carboxidovorans).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Bradyrhizobiaceae; Afipia.
OX   NCBI_TaxID=504832;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 49405 / DSM 1227 / KCTC 32145 / OM5;
RX   PubMed=18539730; DOI=10.1128/jb.00614-08;
RA   Paul D., Bridges S., Burgess S.C., Dandass Y., Lawrence M.L.;
RT   "Genome sequence of the chemolithoautotrophic bacterium Oligotropha
RT   carboxidovorans OM5T.";
RL   J. Bacteriol. 190:5531-5532(2008).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 49405 / DSM 1227 / KCTC 32145 / OM5;
RX   PubMed=21742883; DOI=10.1128/jb.05619-11;
RA   Volland S., Rachinger M., Strittmatter A., Daniel R., Gottschalk G.,
RA   Meyer O.;
RT   "Complete genome sequences of the chemolithoautotrophic Oligotropha
RT   carboxidovorans strains OM4 and OM5.";
RL   J. Bacteriol. 193:5043-5043(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; CP001196; ACI93641.1; -; Genomic_DNA.
DR   EMBL; CP002826; AEI06247.1; -; Genomic_DNA.
DR   RefSeq; WP_012563667.1; NC_015684.1.
DR   AlphaFoldDB; B6JE08; -.
DR   SMR; B6JE08; -.
DR   STRING; 504832.OCAR_6529; -.
DR   EnsemblBacteria; AEI06247; AEI06247; OCA5_c15310.
DR   KEGG; oca:OCAR_6529; -.
DR   KEGG; ocg:OCA5_c15310; -.
DR   PATRIC; fig|504832.7.peg.1629; -.
DR   eggNOG; COG0120; Bacteria.
DR   HOGENOM; CLU_056590_1_0_5; -.
DR   OMA; YDWDEVN; -.
DR   OrthoDB; 1681738at2; -.
DR   UniPathway; UPA00115; UER00412.
DR   Proteomes; UP000007730; 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..236
FT                   /note="Ribose-5-phosphate isomerase A"
FT                   /id="PRO_1000097679"
FT   ACT_SITE        105
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         83..86
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT   BINDING         96..99
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT   BINDING         123
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
SQ   SEQUENCE   236 AA;  24701 MW;  5730FD9DFEF7A708 CRC64;
     MSKEELKRAA AARALEYVSD GMQLGLGTGS TAKHFVELLG ERVRAGLRVV GVPTSEGTRA
     DAERCGVPLT TLDDVDHLDL TVDGADEIAP SLDVIKGGGG ALLREKIVAA ASTRMVVISD
     DSKWVETLGR FPLPVEVIPF GLGATRRALA TAFAEAGVTG EITLRQGPDG HAFVTDGGHW
     ILDAHLGRIP EPPRLAALLS AIPGVVEHGL FIGLAKTAIL AGSQGIRIVD RPRGRV