ID   HOA_CUPTR               Reviewed;         341 AA.
AC   B2AIJ5;
DT   03-NOV-2009, integrated into UniProtKB/Swiss-Prot.
DT   20-MAY-2008, sequence version 1.
DT   03-AUG-2022, entry version 83.
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   Name=mhpE; OrderedLocusNames=RALTA_B0399;
OS   Cupriavidus taiwanensis (strain DSM 17343 / BCRC 17206 / CCUG 44338 / CIP
OS   107171 / LMG 19424 / R1) (Ralstonia taiwanensis (strain LMG 19424)).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Burkholderiaceae; Cupriavidus.
OX   NCBI_TaxID=977880;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 17343 / BCRC 17206 / CCUG 44338 / CIP 107171 / LMG 19424 / R1;
RX   PubMed=18490699; DOI=10.1101/gr.076448.108;
RA   Amadou C., Pascal G., Mangenot S., Glew M., Bontemps C., Capela D.,
RA   Carrere S., Cruveiller S., Dossat C., Lajus A., Marchetti M., Poinsot V.,
RA   Rouy Z., Servin B., Saad M., Schenowitz C., Barbe V., Batut J., Medigue C.,
RA   Masson-Boivin C.;
RT   "Genome sequence of the beta-rhizobium Cupriavidus taiwanensis and
RT   comparative genomics of rhizobia.";
RL   Genome Res. 18:1472-1483(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; CU633750; CAP63594.1; -; Genomic_DNA.
DR   RefSeq; WP_012355248.1; NC_010530.1.
DR   AlphaFoldDB; B2AIJ5; -.
DR   SMR; B2AIJ5; -.
DR   STRING; 977880.RALTA_B0399; -.
DR   EnsemblBacteria; CAP63594; CAP63594; RALTA_B0399.
DR   GeneID; 29764456; -.
DR   KEGG; cti:RALTA_B0399; -.
DR   eggNOG; COG0119; Bacteria.
DR   HOGENOM; CLU_049173_0_0_4; -.
DR   OMA; DLYKMMD; -.
DR   OrthoDB; 840579at2; -.
DR   BioCyc; CTAI977880:RALTA_RS17690-MON; -.
DR   Proteomes; UP000001692; Chromosome 2.
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.
FT   CHAIN           1..341
FT                   /note="4-hydroxy-2-oxovalerate aldolase"
FT                   /id="PRO_0000387817"
FT   DOMAIN          5..257
FT                   /note="Pyruvate carboxyltransferase"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT   ACT_SITE        17
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT   BINDING         13..14
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT   BINDING         14
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT   BINDING         167
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT   BINDING         196
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT   BINDING         196
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         287
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT   SITE            13
FT                   /note="Transition state stabilizer"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
SQ   SEQUENCE   341 AA;  36628 MW;  266FA29F51785D60 CRC64;
     MAQRITLHDM TLRDGMHPKR HQISLEQMKG IARGLDAAGV PLIEVTHGDG LGGASVNYGF
     PAHSDEEYLR AVLGELKQAR VSALLLPGIG TVDHLRMAHE IGVQTIRVAT HCTEADVSEQ
     HIGMARKLGM DTVGFLMMAH MAPVQTLVQQ ALLMESYGAN CLYITDSAGH MLPHDVTEKL
     TAVRQALRPE TELGFHGHHN LAMGVANSLA AITCGATRID AAAAGLGAGA GNTPMEVLVA
     VCERMGIETG VDVFRIADVA EDLVVPIMDH PIRIDRDALT LGYAGVYSSF LLFAKRAEAK
     YRIPAREILV ELGRQRLVGG QEDMIEDTAI TLARARGLPV A