RPIA_PROM9
ID RPIA_PROM9 Reviewed; 237 AA.
AC Q318Q3;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 06-DEC-2005, sequence version 1.
DT 03-AUG-2022, entry version 79.
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=PMT9312_1582;
OS Prochlorococcus marinus (strain MIT 9312).
OC Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC Prochlorococcus.
OX NCBI_TaxID=74546;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MIT 9312;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA Hammon N., Israni S., Pitluck S., Thiel J., Schmutz J., Larimer F.,
RA Land M., Kyrpides N., Lykidis A., Richardson P.;
RT "Complete sequence of Prochlorococcus marinus str. MIT 9312.";
RL Submitted (JUL-2005) to the EMBL/GenBank/DDBJ databases.
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; CP000111; ABB50642.1; -; Genomic_DNA.
DR AlphaFoldDB; Q318Q3; -.
DR SMR; Q318Q3; -.
DR STRING; 74546.PMT9312_1582; -.
DR EnsemblBacteria; ABB50642; ABB50642; PMT9312_1582.
DR KEGG; pmi:PMT9312_1582; -.
DR eggNOG; COG0120; Bacteria.
DR HOGENOM; CLU_056590_1_1_3; -.
DR OMA; YDWDEVN; -.
DR UniPathway; UPA00115; UER00412.
DR Proteomes; UP000002715; 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 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..237
FT /note="Ribose-5-phosphate isomerase A"
FT /id="PRO_1000016959"
FT ACT_SITE 108
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT BINDING 29..32
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT BINDING 86..89
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT BINDING 99..102
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT BINDING 126
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
SQ SEQUENCE 237 AA; 25334 MW; DB4268BA5E05172E CRC64;
MNSQTQMKQI VAEAAIEEVK SDMILGLGSG STAVLMIKSL ADAIRSGKLQ NIKGVATSFQ
SEVLALELDI PLIDLASVSQ IDLAIDGADE VDPGFQLIKG GGACHVREKL VASKANQLLI
VVDETKLVRK LNQSFPLPVE VLPNAWKQVQ EVISEMNGIS TLRMATKKAG PVVTDQGNLI
LDVLFNDGIK NPKDIEKSIN NIPGVLENGL FIDLTDKVLV GKIENNIPVA YSPAKVG