ID   IOLE_SALA4              Reviewed;         301 AA.
AC   B5F3F3;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   14-OCT-2008, sequence version 1.
DT   25-MAY-2022, entry version 66.
DE   RecName: Full=Inosose dehydratase {ECO:0000255|HAMAP-Rule:MF_01672};
DE            EC=4.2.1.44 {ECO:0000255|HAMAP-Rule:MF_01672};
DE   AltName: Full=2-keto-myo-inositol dehydratase {ECO:0000255|HAMAP-Rule:MF_01672};
DE            Short=2KMI dehydratase {ECO:0000255|HAMAP-Rule:MF_01672};
GN   Name=iolE {ECO:0000255|HAMAP-Rule:MF_01672}; OrderedLocusNames=SeAg_B4706;
OS   Salmonella agona (strain SL483).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Salmonella.
OX   NCBI_TaxID=454166;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=SL483;
RX   PubMed=21602358; DOI=10.1128/jb.00297-11;
RA   Fricke W.F., Mammel M.K., McDermott P.F., Tartera C., White D.G.,
RA   Leclerc J.E., Ravel J., Cebula T.A.;
RT   "Comparative genomics of 28 Salmonella enterica isolates: evidence for
RT   CRISPR-mediated adaptive sublineage evolution.";
RL   J. Bacteriol. 193:3556-3568(2011).
CC   -!- FUNCTION: Catalyzes the dehydration of inosose (2-keto-myo-inositol,
CC       2KMI or 2,4,6/3,5-pentahydroxycyclohexanone) to 3D-(3,5/4)-
CC       trihydroxycyclohexane-1,2-dione (D-2,3-diketo-4-deoxy-epi-inositol).
CC       {ECO:0000255|HAMAP-Rule:MF_01672}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=scyllo-inosose = 3D-3,5/4-trihydroxycyclohexane-1,2-dione +
CC         H2O; Xref=Rhea:RHEA:14065, ChEBI:CHEBI:15377, ChEBI:CHEBI:17811,
CC         ChEBI:CHEBI:28446; EC=4.2.1.44; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01672};
CC   -!- COFACTOR:
CC       Name=glutathione; Xref=ChEBI:CHEBI:57925;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01672};
CC   -!- COFACTOR:
CC       Name=Co(2+); Xref=ChEBI:CHEBI:48828;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01672};
CC       Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01672};
CC   -!- SIMILARITY: Belongs to the IolE/MocC family. {ECO:0000255|HAMAP-
CC       Rule:MF_01672}.
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DR   EMBL; CP001138; ACH49354.1; -; Genomic_DNA.
DR   AlphaFoldDB; B5F3F3; -.
DR   SMR; B5F3F3; -.
DR   EnsemblBacteria; ACH49354; ACH49354; SeAg_B4706.
DR   KEGG; sea:SeAg_B4706; -.
DR   HOGENOM; CLU_059523_0_0_6; -.
DR   OMA; YDSRPEL; -.
DR   Proteomes; UP000008819; Chromosome.
DR   GO; GO:0030145; F:manganese ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0050114; F:myo-inosose-2 dehydratase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0019310; P:inositol catabolic process; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_01672; IolE; 1.
DR   InterPro; IPR023952; IolE.
DR   InterPro; IPR030823; IolE/MocC.
DR   InterPro; IPR036237; Xyl_isomerase-like_sf.
DR   InterPro; IPR013022; Xyl_isomerase-like_TIM-brl.
DR   Pfam; PF01261; AP_endonuc_2; 1.
DR   SUPFAM; SSF51658; SSF51658; 1.
DR   TIGRFAMs; TIGR04379; myo_inos_iolE; 1.
PE   3: Inferred from homology;
KW   Cobalt; Lyase; Manganese.
FT   CHAIN           1..301
FT                   /note="Inosose dehydratase"
FT                   /id="PRO_1000187328"
SQ   SEQUENCE   301 AA;  33876 MW;  64B3BE84E3958940 CRC64;
     MYNVKKSIKL GIAPIGWRND DIPEIGKENT YKQILSDAAL TGFSGTEVGG CYPQDPAELN
     KELMLRGLEI PGQWFSSFII RDGIASAMNA FEQHCAYLQA IHAYVAVVSE QTYSIQGIID
     KCVYTEKPNF SDSEWQLLCE GLNALGKIAN AHGLKLAFHH HMGTGVQTLP EVDRLMENTD
     PQFVHLLFDT GHIYVSDGDV MPLLSKHFDR IKHVHFKDVR NEKLKACRLA KKSFLNSFLD
     GVFTVPGDGN IDFKSVLAYL VGHQYSGWIV VEAEQDPKKY NPLEYAQKGK KHIDELLKNY
     L