IOLE_HISS2
ID IOLE_HISS2 Reviewed; 298 AA.
AC B0URJ9;
DT 14-OCT-2008, integrated into UniProtKB/Swiss-Prot.
DT 08-APR-2008, sequence version 1.
DT 25-MAY-2022, entry version 69.
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=HSM_0434;
OS Histophilus somni (strain 2336) (Haemophilus somnus).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC Pasteurellaceae; Histophilus.
OX NCBI_TaxID=228400;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=2336;
RG US DOE Joint Genome Institute;
RA Siddaramappa S., Duncan A.J., Challacombe J.F., Rainey D., Gillaspy A.F.,
RA Carson M., Gipson J., Gipson M., Bruce D., Detter J.C., Han C.S., Land M.,
RA Tapia R., Thompson L.S., Orvis J., Zaitshik J., Barnes G., Brettin T.S.,
RA Dyer D.W., Inzana T.J.;
RT "Complete sequence of Haemophilus somnus 2336.";
RL Submitted (FEB-2008) to the EMBL/GenBank/DDBJ databases.
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; CP000947; ACA32079.1; -; Genomic_DNA.
DR RefSeq; WP_011609723.1; NC_010519.1.
DR AlphaFoldDB; B0URJ9; -.
DR SMR; B0URJ9; -.
DR STRING; 228400.HSM_0434; -.
DR EnsemblBacteria; ACA32079; ACA32079; HSM_0434.
DR GeneID; 56965690; -.
DR KEGG; hsm:HSM_0434; -.
DR HOGENOM; CLU_059523_0_0_6; -.
DR OMA; YDSRPEL; -.
DR OrthoDB; 1194699at2; -.
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..298
FT /note="Inosose dehydratase"
FT /id="PRO_0000352370"
SQ SEQUENCE 298 AA; 33630 MW; CACFC6B2E4B1314C CRC64;
MKAENVKLGI APIGWTNDDL PEIGKENTFE QCVSEMALAG FTGSEVGSKY PRDIDVLKRK
LDLRGIQICN AWFSTFFVDG KKEETIKGFI EHRDFLHAMG AKVIGCSEQS RSIQGQKKAI
FKEKTIFTEA EWQLLAEGYN ELAKLAAEKG MKVCLHHHMG TGIQTPAEID KYMEITNDDV
YLLFDSGHLY YSEGSQQVML EVLEKYIHRV VHVHLKDVRD EVVAEVKAND LSFLEGVVKG
TFTVPGDGVI DFKPIFDILE KYDYKGWMVV EAEQDPAIAN PLEYAIKGRQ YIREVAGV