ID A0A1Y0RQR5_9CYAN Unreviewed; 236 AA.
AC A0A1Y0RQR5;
DT 30-AUG-2017, integrated into UniProtKB/TrEMBL.
DT 30-AUG-2017, sequence version 1.
DT 24-JAN-2024, entry version 22.
DE RecName: Full=Ribose-5-phosphate isomerase A {ECO:0000256|HAMAP-Rule:MF_00170};
DE EC=5.3.1.6 {ECO:0000256|HAMAP-Rule:MF_00170};
DE AltName: Full=Phosphoriboisomerase A {ECO:0000256|HAMAP-Rule:MF_00170};
DE Short=PRI {ECO:0000256|HAMAP-Rule:MF_00170};
GN Name=rpiA {ECO:0000256|HAMAP-Rule:MF_00170};
GN ORFNames=BZZ01_23145 {ECO:0000313|EMBL:ARV61128.1};
OS Nostocales cyanobacterium HT-58-2.
OC Bacteria; Cyanobacteriota; Cyanophyceae; Nostocales.
OX NCBI_TaxID=1940762 {ECO:0000313|EMBL:ARV61128.1, ECO:0000313|Proteomes:UP000196302};
RN [1] {ECO:0000313|EMBL:ARV61128.1, ECO:0000313|Proteomes:UP000196302}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HT-58-2 {ECO:0000313|EMBL:ARV61128.1,
RC ECO:0000313|Proteomes:UP000196302};
RA Hughes R.-A., Zhang Y., Zhang R., Williams P.G., Lindsey J.S., Miller E.S.;
RT "Genome sequences and microbial community composition of HT-58-2, a
RT tolyporphin-producing cyanobacterium-microbial holobiont.";
RL Submitted (FEB-2017) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the reversible conversion of ribose-5-phosphate to
CC ribulose 5-phosphate. {ECO:0000256|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:0000256|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:0000256|HAMAP-Rule:MF_00170}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_00170}.
CC -!- SIMILARITY: Belongs to the ribose 5-phosphate isomerase family.
CC {ECO:0000256|HAMAP-Rule:MF_00170}.
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DR EMBL; CP019636; ARV61128.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1Y0RQR5; -.
DR KEGG; ncn:BZZ01_23145; -.
DR OrthoDB; 5870696at2; -.
DR UniPathway; UPA00115; UER00412.
DR Proteomes; UP000196302; 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 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; PTHR11934; RIBOSE-5-PHOSPHATE ISOMERASE; 1.
DR PANTHER; PTHR11934:SF0; RIBOSE-5-PHOSPHATE ISOMERASE; 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 {ECO:0000256|ARBA:ARBA00023235, ECO:0000256|HAMAP-Rule:MF_00170};
KW Reference proteome {ECO:0000313|Proteomes:UP000196302}.
FT ACT_SITE 112
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00170"
FT BINDING 33..36
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00170"
FT BINDING 90..93
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00170"
FT BINDING 103..106
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00170"
FT BINDING 130
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00170"
SQ SEQUENCE 236 AA; 24845 MW; 3BA745035806DC4A CRC64;
MTVAADPVKL SKQEVGKAAA ALVQSGSIVG LGTGSTTAYA IQFIGDRLKS GELKDIVGVP
TSFQAEVLAK QYGIPLTTLD AIDHIDIAID GADEVDPQKN LIKGGGAAHT REKVVDYLAN
RFIVVVDGGK LVDRLGSVFA VPVEVIPMAV TPVTRALEKL GGKPELRMGV KKAGPVITDQ
GNMVIDVRFD NIDDPVNLEK TLNNIPGVLE NGIFVNCADV VLVGEVKDGQ PVVRQL
//