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GARL_ECO57
ID   GARL_ECO57              Reviewed;         256 AA.
AC   Q8XAE3; Q7AAL1;
DT   04-NOV-2008, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2002, sequence version 1.
DT   03-AUG-2022, entry version 120.
DE   RecName: Full=5-keto-4-deoxy-D-glucarate aldolase {ECO:0000255|HAMAP-Rule:MF_01291};
DE            Short=KDGluc aldolase {ECO:0000255|HAMAP-Rule:MF_01291};
DE            Short=KDGlucA {ECO:0000255|HAMAP-Rule:MF_01291};
DE            EC=4.1.2.20 {ECO:0000255|HAMAP-Rule:MF_01291};
DE   AltName: Full=2-dehydro-3-deoxy-D-glucarate aldolase {ECO:0000255|HAMAP-Rule:MF_01291};
DE   AltName: Full=2-keto-3-deoxy-D-glucarate aldolase {ECO:0000255|HAMAP-Rule:MF_01291};
DE   AltName: Full=5-dehydro-4-deoxy-D-glucarate aldolase {ECO:0000255|HAMAP-Rule:MF_01291};
DE   AltName: Full=Alpha-keto-beta-deoxy-D-glucarate aldolase {ECO:0000255|HAMAP-Rule:MF_01291};
GN   Name=garL {ECO:0000255|HAMAP-Rule:MF_01291};
GN   OrderedLocusNames=Z4478, ECs4004;
OS   Escherichia coli O157:H7.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=83334;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=O157:H7 / EDL933 / ATCC 700927 / EHEC;
RX   PubMed=11206551; DOI=10.1038/35054089;
RA   Perna N.T., Plunkett G. III, Burland V., Mau B., Glasner J.D., Rose D.J.,
RA   Mayhew G.F., Evans P.S., Gregor J., Kirkpatrick H.A., Posfai G.,
RA   Hackett J., Klink S., Boutin A., Shao Y., Miller L., Grotbeck E.J.,
RA   Davis N.W., Lim A., Dimalanta E.T., Potamousis K., Apodaca J.,
RA   Anantharaman T.S., Lin J., Yen G., Schwartz D.C., Welch R.A.,
RA   Blattner F.R.;
RT   "Genome sequence of enterohaemorrhagic Escherichia coli O157:H7.";
RL   Nature 409:529-533(2001).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=O157:H7 / Sakai / RIMD 0509952 / EHEC;
RX   PubMed=11258796; DOI=10.1093/dnares/8.1.11;
RA   Hayashi T., Makino K., Ohnishi M., Kurokawa K., Ishii K., Yokoyama K.,
RA   Han C.-G., Ohtsubo E., Nakayama K., Murata T., Tanaka M., Tobe T., Iida T.,
RA   Takami H., Honda T., Sasakawa C., Ogasawara N., Yasunaga T., Kuhara S.,
RA   Shiba T., Hattori M., Shinagawa H.;
RT   "Complete genome sequence of enterohemorrhagic Escherichia coli O157:H7 and
RT   genomic comparison with a laboratory strain K-12.";
RL   DNA Res. 8:11-22(2001).
CC   -!- FUNCTION: Catalyzes the reversible retro-aldol cleavage of both 5-keto-
CC       4-deoxy-D-glucarate and 2-keto-3-deoxy-D-glucarate to pyruvate and
CC       tartronic semialdehyde. {ECO:0000255|HAMAP-Rule:MF_01291}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=5-dehydro-4-deoxy-D-glucarate = 2-hydroxy-3-oxopropanoate +
CC         pyruvate; Xref=Rhea:RHEA:27726, ChEBI:CHEBI:15361, ChEBI:CHEBI:42819,
CC         ChEBI:CHEBI:57978; Evidence={ECO:0000255|HAMAP-Rule:MF_01291};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2-dehydro-3-deoxy-D-glucarate = 2-hydroxy-3-oxopropanoate +
CC         pyruvate; Xref=Rhea:RHEA:10268, ChEBI:CHEBI:15361, ChEBI:CHEBI:57978,
CC         ChEBI:CHEBI:58098; EC=4.1.2.20; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01291};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01291};
CC       Note=Binds 1 Mg(2+) ion per subunit. {ECO:0000255|HAMAP-Rule:MF_01291};
CC   -!- PATHWAY: Carbohydrate acid metabolism; galactarate degradation; D-
CC       glycerate from galactarate: step 2/3. {ECO:0000255|HAMAP-
CC       Rule:MF_01291}.
CC   -!- SUBUNIT: Homohexamer; trimer of dimers. {ECO:0000255|HAMAP-
CC       Rule:MF_01291}.
CC   -!- SIMILARITY: Belongs to the HpcH/HpaI aldolase family. KDGluc aldolase
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_01291}.
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DR   EMBL; AE005174; AAG58256.1; -; Genomic_DNA.
DR   EMBL; BA000007; BAB37427.1; -; Genomic_DNA.
DR   PIR; D85974; D85974.
DR   PIR; D91129; D91129.
DR   RefSeq; NP_312031.1; NC_002695.1.
DR   RefSeq; WP_001058227.1; NZ_SWKA01000005.1.
DR   AlphaFoldDB; Q8XAE3; -.
DR   SMR; Q8XAE3; -.
DR   STRING; 155864.EDL933_4345; -.
DR   EnsemblBacteria; AAG58256; AAG58256; Z4478.
DR   EnsemblBacteria; BAB37427; BAB37427; ECs_4004.
DR   GeneID; 66672975; -.
DR   GeneID; 916159; -.
DR   KEGG; ece:Z4478; -.
DR   KEGG; ecs:ECs_4004; -.
DR   PATRIC; fig|386585.9.peg.4178; -.
DR   eggNOG; COG3836; Bacteria.
DR   HOGENOM; CLU_059964_1_0_6; -.
DR   OMA; NEGWMVK; -.
DR   UniPathway; UPA00565; UER00630.
DR   Proteomes; UP000000558; Chromosome.
DR   Proteomes; UP000002519; Chromosome.
DR   GO; GO:0008672; F:2-dehydro-3-deoxyglucarate aldolase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0042838; P:D-glucarate catabolic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0046392; P:galactarate catabolic process; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.20.20.60; -; 1.
DR   HAMAP; MF_01291; KDGluc_aldolase; 1.
DR   InterPro; IPR005000; Aldolase/citrate-lyase_domain.
DR   InterPro; IPR017648; GarL.
DR   InterPro; IPR015813; Pyrv/PenolPyrv_Kinase-like_dom.
DR   InterPro; IPR040442; Pyrv_Kinase-like_dom_sf.
DR   Pfam; PF03328; HpcH_HpaI; 1.
DR   SUPFAM; SSF51621; SSF51621; 1.
DR   TIGRFAMs; TIGR03239; GarL; 1.
PE   3: Inferred from homology;
KW   Lyase; Magnesium; Metal-binding; Reference proteome.
FT   CHAIN           1..256
FT                   /note="5-keto-4-deoxy-D-glucarate aldolase"
FT                   /id="PRO_0000353147"
FT   ACT_SITE        50
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01291"
FT   BINDING         151
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01291"
FT   BINDING         153
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01291"
FT   BINDING         178
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01291"
FT   BINDING         179
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01291"
FT   BINDING         179
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01291"
FT   SITE            75
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01291"
FT   SITE            89
FT                   /note="Increases basicity of active site His"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01291"
SQ   SEQUENCE   256 AA;  27399 MW;  A363593FFB171401 CRC64;
     MNNDVFPNKF KAALAAKQVQ IGCWSALSNP ISTEVLGLAG FDWLVLDGEH APNDISTFIP
     QLMALKGSAS APVVRVPTNE PVIIKRLLDI GFYNFLIPFV ETKEEAEQAV ASTRYPPEGI
     RGVSVSHRAN MFGTVADYFA QSNKNITILV QIESQQGVDN VDAIAATEGV DGIFVGPSDL
     AAALGHLGNA SHPDVQKAIQ HIFNRASAHG KPSGILAPVE ADARRYLEWG ATFVAVGSDL
     GVFRSATQKL ADTFKK
 
 
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