ID   HOA_POLSJ               Reviewed;         349 AA.
AC   Q120N9;
DT   03-NOV-2009, integrated into UniProtKB/Swiss-Prot.
DT   22-AUG-2006, sequence version 1.
DT   03-AUG-2022, entry version 89.
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=Bpro_5136;
OS   Polaromonas sp. (strain JS666 / ATCC BAA-500).
OG   Plasmid pPol360.
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Comamonadaceae; Polaromonas; unclassified Polaromonas.
OX   NCBI_TaxID=296591;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=JS666 / ATCC BAA-500;
RX   PubMed=18723656; DOI=10.1128/aem.00197-08;
RA   Mattes T.E., Alexander A.K., Richardson P.M., Munk A.C., Han C.S.,
RA   Stothard P., Coleman N.V.;
RT   "The genome of Polaromonas sp. strain JS666: insights into the evolution of
RT   a hydrocarbon- and xenobiotic-degrading bacterium, and features of
RT   relevance to biotechnology.";
RL   Appl. Environ. Microbiol. 74:6405-6416(2008).
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; CP000317; ABE47003.1; -; Genomic_DNA.
DR   RefSeq; WP_011485986.1; NC_007949.1.
DR   AlphaFoldDB; Q120N9; -.
DR   SMR; Q120N9; -.
DR   EnsemblBacteria; ABE47003; ABE47003; Bpro_5136.
DR   KEGG; pol:Bpro_5136; -.
DR   HOGENOM; CLU_049173_0_0_4; -.
DR   OMA; WARENGM; -.
DR   OrthoDB; 840579at2; -.
DR   Proteomes; UP000001983; Plasmid pPol360.
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   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; Plasmid;
KW   Reference proteome.
FT   CHAIN           1..349
FT                   /note="4-hydroxy-2-oxovalerate aldolase"
FT                   /id="PRO_0000387878"
FT   DOMAIN          7..259
FT                   /note="Pyruvate carboxyltransferase"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT   ACT_SITE        19
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT   BINDING         15..16
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT   BINDING         16
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT   BINDING         169
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT   BINDING         198
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT   BINDING         198
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT   BINDING         200
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT   BINDING         289
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT   SITE            15
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
SQ   SEQUENCE   349 AA;  37523 MW;  1A8113FD0BE317B9 CRC64;
     MYNGQKLYIS DVTLRDGMHA IRHQYSIDQA VAIAKALDDA KVDSIEVAHG DGLRGSSFNY
     GFGAHSDLEW IEAVASVLKH ARVATLLLPG IGTLHDLDAA FKAGVRTVRV ATHCTEADVS
     RQHIEHARKL GMDTVGFLMM SHMTSPQILA QQAKLMENYG AECIYVVDSG GALSMQQVAD
     RFKAFKDVLK PETQTGMHAH HNLALGVANS IVAVENGCDR IDASLAGMGA GAGNAPLEVF
     IATADRMGWN HGTDLFGLMN AADDLVRPLQ DRPVRVDRET LALGYAGVYS SFLRHAEAAS
     ARYGIAAVDI LVELGRRRMV GGQEDMIVDV ALDLIKTRQR TTGTSGVAA