ID   HOA_CHLAA               Reviewed;         343 AA.
AC   A9W9U3;
DT   03-NOV-2009, integrated into UniProtKB/Swiss-Prot.
DT   05-FEB-2008, sequence version 1.
DT   03-AUG-2022, entry version 71.
DE   RecName: Full=4-hydroxy-2-oxovalerate aldolase {ECO:0000255|HAMAP-Rule:MF_01656};
DE            Short=HOA {ECO:0000255|HAMAP-Rule:MF_01656};
DE            EC=4.1.3.39 {ECO:0000255|HAMAP-Rule:MF_01656};
DE   AltName: Full=4-hydroxy-2-keto-pentanoic acid aldolase {ECO:0000255|HAMAP-Rule:MF_01656};
DE   AltName: Full=4-hydroxy-2-oxopentanoate aldolase {ECO:0000255|HAMAP-Rule:MF_01656};
GN   OrderedLocusNames=Caur_1351;
OS   Chloroflexus aurantiacus (strain ATCC 29366 / DSM 635 / J-10-fl).
OC   Bacteria; Chloroflexi; Chloroflexia; Chloroflexales; Chloroflexineae;
OC   Chloroflexaceae; Chloroflexus.
OX   NCBI_TaxID=324602;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29366 / DSM 635 / J-10-fl;
RX   PubMed=21714912; DOI=10.1186/1471-2164-12-334;
RA   Tang K.H., Barry K., Chertkov O., Dalin E., Han C.S., Hauser L.J.,
RA   Honchak B.M., Karbach L.E., Land M.L., Lapidus A., Larimer F.W.,
RA   Mikhailova N., Pitluck S., Pierson B.K., Blankenship R.E.;
RT   "Complete genome sequence of the filamentous anoxygenic phototrophic
RT   bacterium Chloroflexus aurantiacus.";
RL   BMC Genomics 12:334-334(2011).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(S)-4-hydroxy-2-oxopentanoate = acetaldehyde + pyruvate;
CC         Xref=Rhea:RHEA:22624, ChEBI:CHEBI:15343, ChEBI:CHEBI:15361,
CC         ChEBI:CHEBI:73143; EC=4.1.3.39; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01656};
CC   -!- SIMILARITY: Belongs to the 4-hydroxy-2-oxovalerate aldolase family.
CC       {ECO:0000255|HAMAP-Rule:MF_01656}.
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DR   EMBL; CP000909; ABY34579.1; -; Genomic_DNA.
DR   RefSeq; WP_012257235.1; NC_010175.1.
DR   RefSeq; YP_001634968.1; NC_010175.1.
DR   AlphaFoldDB; A9W9U3; -.
DR   SMR; A9W9U3; -.
DR   STRING; 324602.Caur_1351; -.
DR   EnsemblBacteria; ABY34579; ABY34579; Caur_1351.
DR   KEGG; cau:Caur_1351; -.
DR   PATRIC; fig|324602.8.peg.1539; -.
DR   eggNOG; COG0119; Bacteria.
DR   HOGENOM; CLU_049173_0_0_0; -.
DR   InParanoid; A9W9U3; -.
DR   OMA; DLYKMMD; -.
DR   Proteomes; UP000002008; Chromosome.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0003852; F:2-isopropylmalate synthase activity; IBA:GO_Central.
DR   GO; GO:0008701; F:4-hydroxy-2-oxovalerate aldolase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0030145; F:manganese ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0019439; P:aromatic compound catabolic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0009098; P:leucine biosynthetic process; IBA:GO_Central.
DR   CDD; cd07943; DRE_TIM_HOA; 1.
DR   Gene3D; 3.20.20.70; -; 1.
DR   HAMAP; MF_01656; HOA; 1.
DR   InterPro; IPR017629; 4OH_2_O-val_aldolase.
DR   InterPro; IPR013785; Aldolase_TIM.
DR   InterPro; IPR012425; DmpG_comm.
DR   InterPro; IPR035685; DRE_TIM_HOA.
DR   InterPro; IPR000891; PYR_CT.
DR   Pfam; PF07836; DmpG_comm; 1.
DR   Pfam; PF00682; HMGL-like; 1.
DR   TIGRFAMs; TIGR03217; 4OH_2_O_val_ald; 1.
DR   PROSITE; PS50991; PYR_CT; 1.
PE   3: Inferred from homology;
KW   Aromatic hydrocarbons catabolism; Lyase; Manganese; Metal-binding;
KW   Reference proteome.
FT   CHAIN           1..343
FT                   /note="4-hydroxy-2-oxovalerate aldolase"
FT                   /id="PRO_0000387814"
FT   DOMAIN          4..254
FT                   /note="Pyruvate carboxyltransferase"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT   ACT_SITE        16
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT   BINDING         12..13
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT   BINDING         13
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT   BINDING         166
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT   BINDING         193
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT   BINDING         193
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT   BINDING         195
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT   BINDING         284
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT   SITE            12
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
SQ   SEQUENCE   343 AA;  36950 MW;  5849B21D00E46BCF CRC64;
     MKPPRLTDTT LRDGSHPMRH QFTRQQVATI VQALDRAGVP VIEVSHGDGL AGSSLQYGFS
     HTSEFDLIET ARQHAERAKI AALMLPGIGT RQELKEAVAR GVQVVRIATQ CTEADISEQH
     FGLAKELGLE TVGFLMMAHM RPPEELARQA KLMESYGADC VYIVDSAGAM LPQDAAARVQ
     ALKDTLSVQV GFHAHNNLGL GIANTLAALE AGADQIDGCL RGLGAGAGNA ATELLAAVLD
     RLGLNPGLDV FSLMDAAEYV VAPIMPFQPF PDRDAITIGY AGVYSTFLLH AKRAGAQYNV
     DPREILVELG RRQAVAGQED WIIDVALELS RRHQSSARKE SRP