ID   DC4C_PSEPU              Reviewed;          48 AA.
AC   P00881;
DT   21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT   21-JUL-1986, sequence version 1.
DT   03-AUG-2022, entry version 48.
DE   RecName: Full=4-carboxymuconolactone decarboxylase;
DE            Short=CMD;
DE            EC=4.1.1.44;
DE   Flags: Fragment;
OS   Pseudomonas putida (Arthrobacter siderocapsulatus).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Pseudomonas.
OX   NCBI_TaxID=303;
RN   [1]
RP   PROTEIN SEQUENCE.
RX   PubMed=7391024; DOI=10.1016/s0021-9258(18)43744-1;
RA   Yeh W.-K., Fletcher P., Ornston L.N.;
RT   "Homologies in the NH2-terminal amino acid sequences of gamma-
RT   carboxymuconolactone decarboxylases and muconolactone isomerases.";
RL   J. Biol. Chem. 255:6347-6354(1980).
RN   [2]
RP   PROTEIN SEQUENCE OF 1-12.
RX   PubMed=454663; DOI=10.1016/0005-2795(79)90122-3;
RA   Parke D.;
RT   "Structural comparison of gamma-carboxymuconolactone decarboxylase and
RT   muconolactone isomerase from Pseudomonas putida.";
RL   Biochim. Biophys. Acta 578:145-154(1979).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(R)-2-(carboxymethyl)-5-oxo-2,5-dihydro-2-furoate + H(+) =
CC         (4,5-dihydro-5-oxofuran-2-yl)-acetate + CO2; Xref=Rhea:RHEA:23348,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:16526, ChEBI:CHEBI:58425,
CC         ChEBI:CHEBI:58771; EC=4.1.1.44;
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DR   PIR; A01101; DCPSMP.
DR   AlphaFoldDB; P00881; -.
DR   STRING; 1240350.AMZE01000001_gene2845; -.
DR   eggNOG; COG0599; Bacteria.
DR   BioCyc; MetaCyc:MON-3206; -.
DR   GO; GO:0047575; F:4-carboxymuconolactone decarboxylase activity; IEA:UniProtKB-EC.
DR   GO; GO:0019439; P:aromatic compound catabolic process; IEA:UniProtKB-KW.
DR   Gene3D; 1.20.1290.10; -; 1.
DR   InterPro; IPR029032; AhpD-like.
DR   SUPFAM; SSF69118; SSF69118; 1.
PE   1: Evidence at protein level;
KW   Aromatic hydrocarbons catabolism; Decarboxylase; Direct protein sequencing;
KW   Lyase.
FT   CHAIN           1..>48
FT                   /note="4-carboxymuconolactone decarboxylase"
FT                   /id="PRO_0000079799"
FT   NON_TER         48
SQ   SEQUENCE   48 AA;  5570 MW;  D1949AD54876B9F1 CRC64;
     MDEKQRYDAG MQVRRAVLGD AHVDRCLEKL NDFNGEFQEM ITRHACGD