ID   RPIA_THEKO              Reviewed;         229 AA.
AC   Q5JH26;
DT   07-JUN-2005, integrated into UniProtKB/Swiss-Prot.
DT   15-FEB-2005, sequence version 1.
DT   03-AUG-2022, entry version 94.
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=TK1426;
OS   Thermococcus kodakarensis (strain ATCC BAA-918 / JCM 12380 / KOD1)
OS   (Pyrococcus kodakaraensis (strain KOD1)).
OC   Archaea; Euryarchaeota; Thermococci; Thermococcales; Thermococcaceae;
OC   Thermococcus.
OX   NCBI_TaxID=69014;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-918 / JCM 12380 / KOD1;
RX   PubMed=15710748; DOI=10.1101/gr.3003105;
RA   Fukui T., Atomi H., Kanai T., Matsumi R., Fujiwara S., Imanaka T.;
RT   "Complete genome sequence of the hyperthermophilic archaeon Thermococcus
RT   kodakaraensis KOD1 and comparison with Pyrococcus genomes.";
RL   Genome Res. 15:352-363(2005).
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; AP006878; BAD85615.1; -; Genomic_DNA.
DR   RefSeq; WP_011250377.1; NC_006624.1.
DR   AlphaFoldDB; Q5JH26; -.
DR   SMR; Q5JH26; -.
DR   IntAct; Q5JH26; 1.
DR   MINT; Q5JH26; -.
DR   STRING; 69014.TK1426; -.
DR   EnsemblBacteria; BAD85615; BAD85615; TK1426.
DR   GeneID; 3234473; -.
DR   KEGG; tko:TK1426; -.
DR   PATRIC; fig|69014.16.peg.1387; -.
DR   eggNOG; arCOG01122; Archaea.
DR   HOGENOM; CLU_056590_1_1_2; -.
DR   InParanoid; Q5JH26; -.
DR   OMA; YDWDEVN; -.
DR   OrthoDB; 98657at2157; -.
DR   PhylomeDB; Q5JH26; -.
DR   UniPathway; UPA00115; UER00412.
DR   Proteomes; UP000000536; Chromosome.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0004751; F:ribose-5-phosphate isomerase activity; IBA:GO_Central.
DR   GO; GO:0006014; P:D-ribose metabolic process; IBA:GO_Central.
DR   GO; GO:0009052; P:pentose-phosphate shunt, non-oxidative branch; IBA:GO_Central.
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; Reference proteome.
FT   CHAIN           1..229
FT                   /note="Ribose-5-phosphate isomerase A"
FT                   /id="PRO_0000158518"
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   229 AA;  25014 MW;  5B02FDB8A882D8FC CRC64;
     MNVEEMKKAV AKEALKFIED EMVVGLGTGS TTAYFINYLG KLLMEGELED VYGVPTSHQA
     RLLALEAGIP VVSLDEVDAI DIAVDGADEV DPHMNLIKGR GAALTMEKII EYRAGMFIVL
     VDESKLVEYL GQKMPVPIEV IPAAWRAIAE ELEVFNATAE LRMAVKKDGP VVTDNGNFIL
     DAKFARIEDP LDLEIELNTI PGVVENGIFA DIADIILVGT PEGVKRMER