ID   RPIA_HALLT              Reviewed;         240 AA.
AC   B9LU09;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   24-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 62.
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=Hlac_2632;
OS   Halorubrum lacusprofundi (strain ATCC 49239 / DSM 5036 / JCM 8891 / ACAM
OS   34).
OC   Archaea; Euryarchaeota; Stenosarchaea group; Halobacteria; Haloferacales;
OC   Halorubraceae; Halorubrum.
OX   NCBI_TaxID=416348;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 49239 / DSM 5036 / JCM 8891 / ACAM 34;
RX   PubMed=27617060; DOI=10.1186/s40793-016-0194-2;
RA   Anderson I.J., DasSarma P., Lucas S., Copeland A., Lapidus A.,
RA   Del Rio T.G., Tice H., Dalin E., Bruce D.C., Goodwin L., Pitluck S.,
RA   Sims D., Brettin T.S., Detter J.C., Han C.S., Larimer F., Hauser L.,
RA   Land M., Ivanova N., Richardson P., Cavicchioli R., DasSarma S.,
RA   Woese C.R., Kyrpides N.C.;
RT   "Complete genome sequence of the Antarctic Halorubrum lacusprofundi type
RT   strain ACAM 34.";
RL   Stand. Genomic Sci. 11:70-70(2016).
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}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; CP001365; ACM58203.1; -; Genomic_DNA.
DR   RefSeq; WP_015911314.1; NC_012029.1.
DR   AlphaFoldDB; B9LU09; -.
DR   SMR; B9LU09; -.
DR   STRING; 416348.Hlac_2632; -.
DR   EnsemblBacteria; ACM58203; ACM58203; Hlac_2632.
DR   GeneID; 7400837; -.
DR   KEGG; hla:Hlac_2632; -.
DR   eggNOG; arCOG01122; Archaea.
DR   HOGENOM; CLU_056590_1_0_2; -.
DR   OMA; YDWDEVN; -.
DR   UniPathway; UPA00115; UER00412.
DR   Proteomes; UP000000740; Chromosome 1.
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..240
FT                   /note="Ribose-5-phosphate isomerase A"
FT                   /id="PRO_1000194734"
FT   REGION          1..23
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        1..19
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   ACT_SITE        120
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT   BINDING         32..35
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT   BINDING         92..95
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT   BINDING         111..114
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT   BINDING         138
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
SQ   SEQUENCE   240 AA;  24281 MW;  9D723255E7FA0FDF CRC64;
     MKTSGGSDAA KRRAGESAAE TVTDGEVVGL GTGSTAAHAI RRLGDRVDSG LDIRGVATSF
     ASRELAAECG IPLLDLDEAV GSDATGIDIA IDGADQVAVG EGESEVGPLI KGGGAAHARE
     KLVDASADRF LVVADPSKET PVLNRSVPVE VLPAGRSAVA EAVRAAGGEP TLRRAERKDG
     PVVTDNGNLV LDCAFGEIAD PDALSTTLST TPGVVEHGIF VGLADEVHVG TETGVRVARR