ID   RPIA_DEIRA              Reviewed;         226 AA.
AC   Q9RW24;
DT   16-JAN-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-2000, sequence version 1.
DT   27-MAR-2024, entry version 113.
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=DR_0845;
OS   Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / CCUG
OS   27074 / LMG 4051 / NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1).
OC   Bacteria; Deinococcota; Deinococci; Deinococcales; Deinococcaceae;
OC   Deinococcus.
OX   NCBI_TaxID=243230;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 13939 / DSM 20539 / JCM 16871 / CCUG 27074 / LMG 4051 /
RC   NBRC 15346 / NCIMB 9279 / VKM B-1422 / R1;
RX   PubMed=10567266; DOI=10.1126/science.286.5444.1571;
RA   White O., Eisen J.A., Heidelberg J.F., Hickey E.K., Peterson J.D.,
RA   Dodson R.J., Haft D.H., Gwinn M.L., Nelson W.C., Richardson D.L.,
RA   Moffat K.S., Qin H., Jiang L., Pamphile W., Crosby M., Shen M.,
RA   Vamathevan J.J., Lam P., McDonald L.A., Utterback T.R., Zalewski C.,
RA   Makarova K.S., Aravind L., Daly M.J., Minton K.W., Fleischmann R.D.,
RA   Ketchum K.A., Nelson K.E., Salzberg S.L., Smith H.O., Venter J.C.,
RA   Fraser C.M.;
RT   "Genome sequence of the radioresistant bacterium Deinococcus radiodurans
RT   R1.";
RL   Science 286:1571-1577(1999).
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; AE000513; AAF10424.1; -; Genomic_DNA.
DR   PIR; C75467; C75467.
DR   RefSeq; NP_294569.1; NC_001263.1.
DR   RefSeq; WP_010887491.1; NZ_JMLF01000010.1.
DR   AlphaFoldDB; Q9RW24; -.
DR   SMR; Q9RW24; -.
DR   STRING; 243230.DR_0845; -.
DR   PaxDb; 243230-DR_0845; -.
DR   EnsemblBacteria; AAF10424; AAF10424; DR_0845.
DR   GeneID; 69517090; -.
DR   KEGG; dra:DR_0845; -.
DR   PATRIC; fig|243230.17.peg.1028; -.
DR   eggNOG; COG0120; Bacteria.
DR   HOGENOM; CLU_056590_1_0_0; -.
DR   InParanoid; Q9RW24; -.
DR   OrthoDB; 5870696at2; -.
DR   UniPathway; UPA00115; UER00412.
DR   Proteomes; UP000002524; Chromosome I.
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; PTHR43748; RIBOSE-5-PHOSPHATE ISOMERASE 3, CHLOROPLASTIC-RELATED; 1.
DR   PANTHER; PTHR43748:SF3; RIBOSE-5-PHOSPHATE ISOMERASE 3, CHLOROPLASTIC-RELATED; 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; Reference proteome.
FT   CHAIN           1..226
FT                   /note="Ribose-5-phosphate isomerase A"
FT                   /id="PRO_0000158411"
FT   ACT_SITE        106
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         84..87
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT   BINDING         97..100
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT   BINDING         124
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
SQ   SEQUENCE   226 AA;  24236 MW;  935A49012F19A11C CRC64;
     MDLEALKKEA ALRSVALVQS GQRVGLGTGS TAKYAIEELG RKLAAGELSG IVGVSTSEAS
     EKLAREVGIP TEPLDPRPLD IAIDGADEIA PNLDLVKGLG GALVREKMTE VQAKRLIIIA
     DHTKLVTRLG EKAPLPIEIV PFGFLSTIER LREFLPGGRL RQPGAQPYVT DNGNYIFDAQ
     LPAEFDAREL ERRIKGTLGV VDTGLFLGMA ERAFVAAPDG VQELTR
//