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B6db activities:
Description Sulfinoalanine decarboxylase
Alternative names Cysteine-sulfinate decarboxylase;
Cysteine sulfinic acid decarboxylase;
Catalyzed reaction 3-sulfino-L-alanine = hypotaurine + CO(2).
Cofactor Pyridoxal-phosphate.
Comments -!- Also acts on l-cysteate.
The enzyme is involved in the biosynthesis of taurine, a sulfur-containing amino compound that apparently functions as a cytoprotectant and occurs at high concentration (550 mM) in most animal tissues.

The sequences of sulfinoalanine decarboxylases are strictly related to those of metazoan glutamate decarboxylases (

Organisms -Metazoa -Human
Links Enzyme (activities)
BRENDA (activities)
KEGG (pathways)
PLPMDB (PLP mutants)
References Articles on
last changed 2019/03/26 11:56

B6db activities