4OT4_PSEPU
ID 4OT4_PSEPU Reviewed; 63 AA.
AC Q93JW0;
DT 10-OCT-2003, integrated into UniProtKB/Swiss-Prot.
DT 23-JAN-2007, sequence version 3.
DT 25-MAY-2022, entry version 65.
DE RecName: Full=2-hydroxymuconate tautomerase;
DE EC=5.3.2.6;
DE AltName: Full=4-oxalocrotonate tautomerase;
DE Short=4-OT;
GN Name=tdnL;
OS Pseudomonas putida (Arthrobacter siderocapsulatus).
OG Plasmid pTDN1.
OC Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC Pseudomonadaceae; Pseudomonas.
OX NCBI_TaxID=303;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC STRAIN=UCC22;
RA Fukumori F.;
RL Submitted (MAY-1996) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the ketonization of 2-hydroxymuconate
CC stereoselectively to yield 2-oxo-3-hexenedioate.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(2Z,4E)-2-hydroxyhexa-2,4-dienedioate = (3E)-2-oxohex-3-
CC enedioate; Xref=Rhea:RHEA:33431, ChEBI:CHEBI:28080,
CC ChEBI:CHEBI:64908; EC=5.3.2.6;
CC -!- PATHWAY: Aromatic compound metabolism; salicylate degradation.
CC -!- SUBUNIT: Homohexamer. {ECO:0000250}.
CC -!- SIMILARITY: Belongs to the 4-oxalocrotonate tautomerase family.
CC {ECO:0000305}.
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DR EMBL; D85415; BAB62059.1; -; Genomic_DNA.
DR AlphaFoldDB; Q93JW0; -.
DR SMR; Q93JW0; -.
DR UniPathway; UPA00824; -.
DR GO; GO:0016853; F:isomerase activity; IEA:UniProtKB-KW.
DR GO; GO:0046244; P:salicylic acid catabolic process; IEA:UniProtKB-UniPathway.
DR CDD; cd00491; 4Oxalocrotonate_Tautomerase; 1.
DR Gene3D; 3.30.429.10; -; 1.
DR InterPro; IPR004370; 4-oxalocrotonate_tautomerase.
DR InterPro; IPR014347; Tautomerase/MIF_sf.
DR InterPro; IPR018191; Tautomerase_Pseudo-typ.
DR Pfam; PF01361; Tautomerase; 1.
DR SUPFAM; SSF55331; SSF55331; 1.
DR TIGRFAMs; TIGR00013; taut; 1.
PE 3: Inferred from homology;
KW Aromatic hydrocarbons catabolism; Isomerase; Plasmid.
FT INIT_MET 1
FT /note="Removed"
FT /evidence="ECO:0000250"
FT CHAIN 2..63
FT /note="2-hydroxymuconate tautomerase"
FT /id="PRO_0000209517"
FT ACT_SITE 2
FT /note="Proton acceptor; via imino nitrogen"
FT /evidence="ECO:0000250"
SQ SEQUENCE 63 AA; 6927 MW; 97ED473A49AED63B CRC64;
MPFAQIYMIE GRTEAQKKAV IEKVSQALVE ATGAPMANVR VWIQEVPKEN WGIAGVSAKE
LGR