HOA2_PSEPU
ID HOA2_PSEPU Reviewed; 345 AA.
AC P51019;
DT 01-OCT-1996, integrated into UniProtKB/Swiss-Prot.
DT 01-OCT-1996, sequence version 1.
DT 03-AUG-2022, entry version 78.
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=xylK;
OS Pseudomonas putida (Arthrobacter siderocapsulatus).
OG Plasmid TOL pWW0.
OC Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC Pseudomonadaceae; Pseudomonas.
OX NCBI_TaxID=303;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX PubMed=8510667; DOI=10.1007/bf00281605;
RA Harayama S., Rekik M.;
RT "Comparison of the nucleotide sequences of the meta-cleavage pathway genes
RT of TOL plasmid pWW0 from Pseudomonas putida with other meta-cleavage genes
RT suggests that both single and multiple nucleotide substitutions contribute
RT to enzyme evolution.";
RL Mol. Gen. Genet. 239:81-89(1993).
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 -!- PATHWAY: Xenobiotic degradation; toluene degradation.
CC -!- SIMILARITY: Belongs to the 4-hydroxy-2-oxovalerate aldolase family.
CC {ECO:0000255|HAMAP-Rule:MF_01656, ECO:0000305}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; M94186; AAA25692.1; -; Genomic_DNA.
DR PIR; S35223; S35223.
DR RefSeq; NP_542861.1; NC_003350.1.
DR RefSeq; WP_011005904.1; NZ_QWEF01000005.1.
DR AlphaFoldDB; P51019; -.
DR SMR; P51019; -.
DR BioCyc; MetaCyc:MON-3404; -.
DR UniPathway; UPA00273; -.
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:0042203; P:toluene catabolic process; IEA:UniProtKB-UniPathway.
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.
FT CHAIN 1..345
FT /note="4-hydroxy-2-oxovalerate aldolase"
FT /id="PRO_0000066056"
FT DOMAIN 9..261
FT /note="Pyruvate carboxyltransferase"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT ACT_SITE 21
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT BINDING 17..18
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT BINDING 18
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT BINDING 171
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 200
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT BINDING 202
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT BINDING 291
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT SITE 17
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
SQ SEQUENCE 345 AA; 37444 MW; 467C928D1A1E09F1 CRC64;
MTFNPGKKLY ISDVTLRDGS HAIRHQYSIQ NVQDIARALD KARVDSIEVT HGDGLQGSSF
NYGFGAHSDL EWIEAAADVI QHARVTVLLV PGIGTVHDLK AAYDAGARSV RVATHCTEAD
VSRQHIEYAR ELGMDTVGFL MMSHMIPAEQ LAAQGKLMET YGAQCIYMAD SGGAMNMNDI
RDRMRAFKAV LNPQTQTGMH AHHNLSLGVA NSIIAVEEGC DRIDASLAGM GAGAGNAPLE
VFIAAAERLG WNHGTDLYTL MDAADDIVRP LQDRPVRVDR ETLGLGYAGV YSSFLRHAEV
AAAKYGLKTL DILVELGRRR MVGGQEDMIV DVALDLLAAR KEQQA
