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ULAD_SHIBS
ID   ULAD_SHIBS              Reviewed;         216 AA.
AC   Q31TC7;
DT   16-MAY-2006, integrated into UniProtKB/Swiss-Prot.
DT   06-DEC-2005, sequence version 1.
DT   03-AUG-2022, entry version 95.
DE   RecName: Full=3-keto-L-gulonate-6-phosphate decarboxylase UlaD {ECO:0000255|HAMAP-Rule:MF_01267};
DE            EC=4.1.1.85 {ECO:0000255|HAMAP-Rule:MF_01267};
DE   AltName: Full=3-dehydro-L-gulonate-6-phosphate decarboxylase {ECO:0000255|HAMAP-Rule:MF_01267};
DE   AltName: Full=KGPDC {ECO:0000255|HAMAP-Rule:MF_01267};
DE   AltName: Full=L-ascorbate utilization protein D {ECO:0000255|HAMAP-Rule:MF_01267};
GN   Name=ulaD {ECO:0000255|HAMAP-Rule:MF_01267}; OrderedLocusNames=SBO_4259;
OS   Shigella boydii serotype 4 (strain Sb227).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Shigella.
OX   NCBI_TaxID=300268;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Sb227;
RX   PubMed=16275786; DOI=10.1093/nar/gki954;
RA   Yang F., Yang J., Zhang X., Chen L., Jiang Y., Yan Y., Tang X., Wang J.,
RA   Xiong Z., Dong J., Xue Y., Zhu Y., Xu X., Sun L., Chen S., Nie H., Peng J.,
RA   Xu J., Wang Y., Yuan Z., Wen Y., Yao Z., Shen Y., Qiang B., Hou Y., Yu J.,
RA   Jin Q.;
RT   "Genome dynamics and diversity of Shigella species, the etiologic agents of
RT   bacillary dysentery.";
RL   Nucleic Acids Res. 33:6445-6458(2005).
CC   -!- FUNCTION: Catalyzes the decarboxylation of 3-keto-L-gulonate-6-P into
CC       L-xylulose-5-P. Is involved in the anaerobic L-ascorbate utilization.
CC       {ECO:0000255|HAMAP-Rule:MF_01267}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=3-dehydro-L-gulonate 6-phosphate + H(+) = CO2 + L-xylulose 5-
CC         phosphate; Xref=Rhea:RHEA:14353, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:16526, ChEBI:CHEBI:57829, ChEBI:CHEBI:58774; EC=4.1.1.85;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01267};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01267};
CC       Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000255|HAMAP-Rule:MF_01267};
CC   -!- PATHWAY: Cofactor degradation; L-ascorbate degradation; D-xylulose 5-
CC       phosphate from L-ascorbate: step 2/4. {ECO:0000255|HAMAP-
CC       Rule:MF_01267}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01267}.
CC   -!- INDUCTION: Induced by L-ascorbate. Repressed by UlaR.
CC       {ECO:0000255|HAMAP-Rule:MF_01267}.
CC   -!- SIMILARITY: Belongs to the HPS/KGPDC family. KGPDC subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_01267}.
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DR   EMBL; CP000036; ABB68681.1; -; Genomic_DNA.
DR   RefSeq; WP_000056760.1; NC_007613.1.
DR   AlphaFoldDB; Q31TC7; -.
DR   SMR; Q31TC7; -.
DR   EnsemblBacteria; ABB68681; ABB68681; SBO_4259.
DR   GeneID; 66671891; -.
DR   KEGG; sbo:SBO_4259; -.
DR   HOGENOM; CLU_081825_0_0_6; -.
DR   OMA; WEQAQEW; -.
DR   UniPathway; UPA00263; UER00378.
DR   Proteomes; UP000007067; Chromosome.
DR   GO; GO:0033982; F:3-dehydro-L-gulonate-6-phosphate decarboxylase activity; IEA:UniProtKB-EC.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004590; F:orotidine-5'-phosphate decarboxylase activity; IEA:InterPro.
DR   GO; GO:0006207; P:'de novo' pyrimidine nucleobase biosynthetic process; IEA:InterPro.
DR   GO; GO:0019854; P:L-ascorbic acid catabolic process; IEA:UniProtKB-UniRule.
DR   CDD; cd04726; KGPDC_HPS; 1.
DR   Gene3D; 3.20.20.70; -; 1.
DR   HAMAP; MF_01267; UlaD; 1.
DR   InterPro; IPR023942; 3-keto-L-gulonate6Pdecase_UlaD.
DR   InterPro; IPR013785; Aldolase_TIM.
DR   InterPro; IPR041710; HPS/KGPDC.
DR   InterPro; IPR001754; OMPdeCOase_dom.
DR   InterPro; IPR011060; RibuloseP-bd_barrel.
DR   Pfam; PF00215; OMPdecase; 1.
DR   SMART; SM00934; OMPdecase; 1.
DR   SUPFAM; SSF51366; SSF51366; 1.
PE   3: Inferred from homology;
KW   Carbohydrate metabolism; Decarboxylase; Lyase; Magnesium; Metal-binding.
FT   CHAIN           1..216
FT                   /note="3-keto-L-gulonate-6-phosphate decarboxylase UlaD"
FT                   /id="PRO_0000236095"
FT   BINDING         11
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01267"
FT   BINDING         33
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01267"
FT   BINDING         62
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01267"
FT   BINDING         192
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01267"
FT   SITE            64
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01267"
FT   SITE            67
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01267"
SQ   SEQUENCE   216 AA;  23649 MW;  CDF287AC1D1BAD68 CRC64;
     MSLPMLQVAL DNQTMDSAYE TTRLIAEEVD IIEVGTILCV GEGVRAVRDL KALYPHKIVL
     ADAKIADAGK ILSRMCFEAN ADWVTVICCA DINTAKGALD VAKEFNGDVQ IELTGYWTWE
     QAQQWRDAGI QQVVYHRSRD AQAAGVAWGE ADITAIKRLS DMGFKVTVTG GLALEDLPLF
     KGIPIHVFIA GRSIRDAASP VEAARQFKRS IAELWG
 
 
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