the thermostability of cystathionine synthase and the effect of pyridoxal phosphate ( plp ) on this thermostability were investigated in extracts of normal human liver and in extracts of liver , both before and during pyridoxine ( vitamin b6 ) therapy , from members of a family with three clinically and biochemically typical , b6-responsive , synthase-deficient sibs .
C0034266
pyridoxal
C0087162
vitamin