ID   RPIA_STRP3              Reviewed;         227 AA.
AC   P0DF26; P66698; Q9A085;
DT   27-JUL-2011, integrated into UniProtKB/Swiss-Prot.
DT   27-JUL-2011, sequence version 1.
DT   03-AUG-2022, entry version 46.
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=SpyM3_0608;
OS   Streptococcus pyogenes serotype M3 (strain ATCC BAA-595 / MGAS315).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=198466;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-595 / MGAS315;
RX   PubMed=12122206; DOI=10.1073/pnas.152298499;
RA   Beres S.B., Sylva G.L., Barbian K.D., Lei B., Hoff J.S., Mammarella N.D.,
RA   Liu M.-Y., Smoot J.C., Porcella S.F., Parkins L.D., Campbell D.S.,
RA   Smith T.M., McCormick J.K., Leung D.Y.M., Schlievert P.M., Musser J.M.;
RT   "Genome sequence of a serotype M3 strain of group A Streptococcus: phage-
RT   encoded toxins, the high-virulence phenotype, and clone emergence.";
RL   Proc. Natl. Acad. Sci. U.S.A. 99:10078-10083(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; AE014074; AAM79215.1; -; Genomic_DNA.
DR   RefSeq; WP_010922176.1; NC_004070.1.
DR   AlphaFoldDB; P0DF26; -.
DR   SMR; P0DF26; -.
DR   EnsemblBacteria; AAM79215; AAM79215; SpyM3_0608.
DR   KEGG; spg:SpyM3_0608; -.
DR   HOGENOM; CLU_056590_1_0_9; -.
DR   OMA; YDWDEVN; -.
DR   UniPathway; UPA00115; UER00412.
DR   Proteomes; UP000000564; 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.
FT   CHAIN           1..227
FT                   /note="Ribose-5-phosphate isomerase A"
FT                   /id="PRO_0000158477"
FT   ACT_SITE        104
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT   BINDING         26..29
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT   BINDING         82..85
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT   BINDING         95..98
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
FT   BINDING         122
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00170"
SQ   SEQUENCE   227 AA;  24277 MW;  19C4E551822EE2E2 CRC64;
     MEALKKIAGV TAAQYVTDGM TIGLGTGSTA YYFVEEIGRR VKQEGLQVVG VTTSSVTSKQ
     AEVLGIPLKS IDDIDSIDLT VDGADEVDKN FNGIKGGGAA LLMEKIVATP TKEYIWVVDA
     SKMVEHLGAF KLPVEVVQYG ADRLFRVFEK AGYKPSFRMK GDSRLVTDMQ NYIIDLDLGC
     IKDPVAFGHL LDGTVGVVEH GLFNGMVDKV IVASKDGVTV LEAPTAG