human skin fibroblasts deficient in pyruvate dehydrogenase and five normal control strains were incubated with one of the following labelled substrates : dl- [ 1-14c ] -2-amino-n-butyric acid , dl- [ 3-14c ] -2-amino-n-butyric acid , l- [ 1-14c ] leucine , l- [ 1-14c ] valine , l- [ 1-14c ] alanine , and [ 1-14c ] pyruvate .
C0002520
amino
C0001898
alanine