ID   Q32AZ6_SHIDS            Unreviewed;       464 AA.
AC   Q32AZ6;
DT   06-DEC-2005, integrated into UniProtKB/TrEMBL.
DT   06-DEC-2005, sequence version 1.
DT   27-MAR-2024, entry version 112.
DE   RecName: Full=Glutamate decarboxylase {ECO:0000256|ARBA:ARBA00012421, ECO:0000256|RuleBase:RU361171};
DE            EC=4.1.1.15 {ECO:0000256|ARBA:ARBA00012421, ECO:0000256|RuleBase:RU361171};
GN   Name=gadA {ECO:0000313|EMBL:ABB63509.1};
GN   OrderedLocusNames=SDY_3532 {ECO:0000313|EMBL:ABB63509.1};
OS   Shigella dysenteriae serotype 1 (strain Sd197).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Shigella.
OX   NCBI_TaxID=300267 {ECO:0000313|EMBL:ABB63509.1, ECO:0000313|Proteomes:UP000002716};
RN   [1] {ECO:0000313|EMBL:ABB63509.1, ECO:0000313|Proteomes:UP000002716}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Sd197 {ECO:0000313|EMBL:ABB63509.1,
RC   ECO:0000313|Proteomes:UP000002716};
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: Converts glutamate to gamma-aminobutyrate (GABA), consuming
CC       one intracellular proton in the reaction. The gad system helps to
CC       maintain a near-neutral intracellular pH when cells are exposed to
CC       extremely acidic conditions. The ability to survive transit through the
CC       acidic conditions of the stomach is essential for successful
CC       colonization of the mammalian host by commensal and pathogenic
CC       bacteria. {ECO:0000256|ARBA:ARBA00024984}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H(+) + L-glutamate = 4-aminobutanoate + CO2;
CC         Xref=Rhea:RHEA:17785, ChEBI:CHEBI:15378, ChEBI:CHEBI:16526,
CC         ChEBI:CHEBI:29985, ChEBI:CHEBI:59888; EC=4.1.1.15;
CC         Evidence={ECO:0000256|ARBA:ARBA00000018,
CC         ECO:0000256|RuleBase:RU361171};
CC   -!- COFACTOR:
CC       Name=pyridoxal 5'-phosphate; Xref=ChEBI:CHEBI:597326;
CC         Evidence={ECO:0000256|ARBA:ARBA00001933,
CC         ECO:0000256|PIRSR:PIRSR602129-50, ECO:0000256|RuleBase:RU000382};
CC   -!- SIMILARITY: Belongs to the group II decarboxylase family.
CC       {ECO:0000256|RuleBase:RU000382}.
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DR   EMBL; CP000034; ABB63509.1; -; Genomic_DNA.
DR   RefSeq; YP_405000.1; NC_007606.1.
DR   AlphaFoldDB; Q32AZ6; -.
DR   STRING; 300267.SDY_3532; -.
DR   EnsemblBacteria; ABB63509; ABB63509; SDY_3532.
DR   KEGG; sdy:SDY_3532; -.
DR   PATRIC; fig|300267.13.peg.4187; -.
DR   HOGENOM; CLU_019582_0_0_6; -.
DR   Proteomes; UP000002716; Chromosome.
DR   GO; GO:0004351; F:glutamate decarboxylase activity; IEA:UniProtKB-EC.
DR   GO; GO:0030170; F:pyridoxal phosphate binding; IEA:InterPro.
DR   GO; GO:0006536; P:glutamate metabolic process; IEA:InterPro.
DR   CDD; cd06450; DOPA_deC_like; 1.
DR   Gene3D; 3.90.1150.160; -; 1.
DR   Gene3D; 4.10.280.50; -; 1.
DR   Gene3D; 3.40.640.10; Type I PLP-dependent aspartate aminotransferase-like (Major domain); 1.
DR   InterPro; IPR010107; Glutamate_decarboxylase.
DR   InterPro; IPR002129; PyrdxlP-dep_de-COase.
DR   InterPro; IPR015424; PyrdxlP-dep_Trfase.
DR   InterPro; IPR015421; PyrdxlP-dep_Trfase_major.
DR   InterPro; IPR021115; Pyridoxal-P_BS.
DR   NCBIfam; TIGR01788; Glu-decarb-GAD; 1.
DR   PANTHER; PTHR43321; GLUTAMATE DECARBOXYLASE; 1.
DR   PANTHER; PTHR43321:SF3; GLUTAMATE DECARBOXYLASE; 1.
DR   Pfam; PF00282; Pyridoxal_deC; 1.
DR   SUPFAM; SSF53383; PLP-dependent transferases; 1.
DR   PROSITE; PS00392; DDC_GAD_HDC_YDC; 1.
PE   3: Inferred from homology;
KW   Decarboxylase {ECO:0000256|RuleBase:RU361171};
KW   Lyase {ECO:0000256|ARBA:ARBA00023239, ECO:0000256|RuleBase:RU000382};
KW   Pyridoxal phosphate {ECO:0000256|PIRSR:PIRSR602129-50,
KW   ECO:0000256|RuleBase:RU000382};
KW   Reference proteome {ECO:0000313|Proteomes:UP000002716}.
FT   MOD_RES         274
FT                   /note="N6-(pyridoxal phosphate)lysine"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR602129-50"
SQ   SEQUENCE   464 AA;  52401 MW;  794788AEE7F9A6E5 CRC64;
     MAFRVLTMAV DLCRLTTRTM NVNAGHERTS KARIIHQIQL IRGITDELYL DGNARQNLAT
     FCQTWDDENV HKFMDLSINK NWIDKEEYPQ SAAIDLRCVN MVADLWHAPA PKNGQAVGTN
     TIGSSEACML GGMAMKWRWR KRMEAAGKPT DKPNLVCGPV QICWHKFARY WDVELREIPM
     RPGQLFMDPK RMIEACDENT IGVVPTFGVT YTGNYEFPQP LHDALDKFQA DTGIDIDMHI
     DAASGGFLAP FVAPDIVWDF RLPRVKSISA SGHKFGLAPL GCGWVIWRDE EALPQELVFN
     VDYLGGQIGT FAINFSRPAG QVIAQYYEFL RLGREGYTKV QNASYQVAAY LADEIAKLGP
     YEFICTGRPD EGIPAVCFKL KDGEDPGYTL YNLSERLRLR GWQVPAFTLG GEATDIVVMR
     IMCRRGFEMD FAELLLEDYK ASLKYLSDHP KLQGIAQQNS FKHT
//