RPIA_BIFLO
ID RPIA_BIFLO Reviewed; 232 AA.
AC Q8G3X9;
DT 23-APR-2003, integrated into UniProtKB/Swiss-Prot.
DT 01-MAR-2003, sequence version 1.
DT 03-AUG-2022, entry version 90.
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=BL1623;
OS Bifidobacterium longum (strain NCC 2705).
OC Bacteria; Actinobacteria; Bifidobacteriales; Bifidobacteriaceae;
OC Bifidobacterium.
OX NCBI_TaxID=206672;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NCC 2705;
RX PubMed=12381787; DOI=10.1073/pnas.212527599;
RA Schell M.A., Karmirantzou M., Snel B., Vilanova D., Berger B., Pessi G.,
RA Zwahlen M.-C., Desiere F., Bork P., Delley M., Pridmore R.D., Arigoni F.;
RT "The genome sequence of Bifidobacterium longum reflects its adaptation to
RT the human gastrointestinal tract.";
RL Proc. Natl. Acad. Sci. U.S.A. 99:14422-14427(2002).
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; AE014295; AAN25411.1; -; Genomic_DNA.
DR RefSeq; NP_696775.1; NC_004307.2.
DR RefSeq; WP_007052314.1; NC_004307.2.
DR AlphaFoldDB; Q8G3X9; -.
DR SMR; Q8G3X9; -.
DR STRING; 206672.BL1623; -.
DR EnsemblBacteria; AAN25411; AAN25411; BL1623.
DR KEGG; blo:BL1623; -.
DR PATRIC; fig|206672.9.peg.1678; -.
DR HOGENOM; CLU_056590_1_0_11; -.
DR OMA; YDWDEVN; -.
DR PhylomeDB; Q8G3X9; -.
DR UniPathway; UPA00115; UER00412.
DR Proteomes; UP000000439; 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..232
FT /note="Ribose-5-phosphate isomerase A"
FT /id="PRO_0000158390"
FT ACT_SITE 109
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT BINDING 31..34
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT BINDING 87..90
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT BINDING 100..103
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT BINDING 127
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
SQ SEQUENCE 232 AA; 25269 MW; E6C5C3126AD886D4 CRC64;
MDKAQQDALK KAAGIEAAKL VENGMIAGLG TGSTVKFLVD ELGRRHQEEG LEFTGVTTSR
RTQAQAESYG IKIVDIDDVD HIDVTIDGAD EVDKNFNGIK GGGAALLWEK IVATNSNQIV
WIVDESKVVD TIGKFPLPVE VIPFGAGQVI KKFEARGYKP VLRLDADGKE VRTDENNFVV
DLHLERIDHP QELAEDLINT VGVVEHGLFL NMVDKVIVGD PNGPRVMTNA NK