The
enzyme aminocarboxymuconate-semialdehyde decarboxylase ()
catalyzes
Catalysis () is the process of increasing the rate of a chemical reaction by adding a substance known as a catalyst (). Catalysts are not consumed in the reaction and remain unchanged after it. If the reaction is rapid and the catalyst recyc ...
the
chemical reaction
:2-amino-3-(3-oxoprop-1-en-1-yl)but-2-enedioate
2-aminomuconate semialdehyde + CO
2
This enzyme belongs to the family of
lyase
In biochemistry, a lyase is an enzyme that catalyzes the breaking (an elimination reaction) of various chemical bonds by means other than hydrolysis (a substitution reaction) and oxidation, often forming a new double bond or a new ring structure. ...
s, specifically the carboxy-lyases, which cleave carbon-carbon bonds. This enzyme participates in
tryptophan metabolism. It has been identified as a marker in
nonverbal autism
Nonverbal autism is a subset of autism where the person does not learn how to Speech, speak.
It is estimated that 25% to 50% of children diagnosed with autism spectrum disorder (ASD) never develop spoken language beyond a few words or utterances.
...
.
Nomenclature
The
systematic name of this enzyme class is 2-amino-3-(3-oxoprop-1-en-1-yl)but-2-enedioate carboxy-lyase (2-aminomuconate-semialdehyde-forming). Other names in common use include
picolinic acid carboxylase, picolinic acid decarboxylase, alpha-amino-beta-carboxymuconate-epsilon-semialdehade decarboxylase, alpha-amino-beta-carboxymuconate-epsilon-semialdehyde, beta-decarboxylase, 2-amino-3-(3-oxoprop-2-enyl)but-2-enedioate carboxy-lyase, and 2-amino-3-(3-oxoprop-1-en-1-yl)but-2-enedioate carboxy-lyase.
References
Further reading
*
{{4.1-enzyme-stub
EC 4.1.1
Enzymes of known structure