HOA3_COMTE
ID HOA3_COMTE Reviewed; 345 AA.
AC Q9RHN1;
DT 03-NOV-2009, integrated into UniProtKB/Swiss-Prot.
DT 01-MAY-2000, sequence version 1.
DT 03-AUG-2022, entry version 67.
DE RecName: Full=4-hydroxy-2-oxovalerate aldolase 3 {ECO:0000255|HAMAP-Rule:MF_01656};
DE Short=HOA 3 {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 3 {ECO:0000255|HAMAP-Rule:MF_01656};
DE AltName: Full=4-hydroxy-2-oxopentanoate aldolase 3 {ECO:0000255|HAMAP-Rule:MF_01656};
GN Name=aphG;
OS Comamonas testosteroni (Pseudomonas testosteroni).
OC Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC Comamonadaceae; Comamonas.
OX NCBI_TaxID=285;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC STRAIN=TA441;
RX PubMed=10878134; DOI=10.1099/00221287-146-7-1707;
RA Arai H., Ohishi T., Chang M.Y., Kudo T.;
RT "Arrangement and regulation of the genes for meta-pathway enzymes required
RT for degradation of phenol in Comamonas testosteroni TA441.";
RL Microbiology 146:1707-1715(2000).
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; AB029044; BAA88504.1; -; Genomic_DNA.
DR AlphaFoldDB; Q9RHN1; -.
DR SMR; Q9RHN1; -.
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..345
FT /note="4-hydroxy-2-oxovalerate aldolase 3"
FT /id="PRO_0000387816"
FT DOMAIN 8..260
FT /note="Pyruvate carboxyltransferase"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT ACT_SITE 20
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT BINDING 16..17
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT BINDING 17
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT BINDING 170
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT BINDING 199
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT BINDING 199
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT BINDING 201
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT BINDING 290
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
FT SITE 16
FT /note="Transition state stabilizer"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01656"
SQ SEQUENCE 345 AA; 36750 MW; B8C5415B348F9B2F CRC64;
MELKGKKITV HDMTLRDGMH PKRHLMTLEQ MKSVAQGLDA AGVPLIEVTH GDGLGGASVN
YGFPAHSDEE YLSTVIPLMK QAKVSALLLP GIGTVDHLQM AHELGVTTIR VATHCTEADV
SEQHITAARK LGMDTVGFLM MAHMNSAEGL VKQAKLMEGY GANCVYVTDS AGYLLPDQVK
ERIAAVRAAL KPETELGFHG HHNLAMGVAN SIAAVEAGAN RIDAAAAGLG AGAGNTPMEV
LVAVCERMGI ETGVDVWKIQ DVAEDLVVPL MDFPIRVDRD ALTLGYAGVY GSFLLFAKRA
EKKYGIPARD LLVELGRRGM VGGQEDMIED TALTMARARG IKVAA