it has been concluded thatl-threonine- and l-serine dehydratase activities in human liver belong to the single protein or to two proteins having very like physico-chemical properties , and that pyridoxal 5'-phosphate is essential for this enzyme not only as coenzyme but also it is necessary to support active and stable conformation of this oligomeric protein .
C0034266
pyridoxal 5
C0009235
coenzyme