these results suggest that gs 2 is a multifunctional one polypeptide enzyme and the mutant-type gs 2s from bii-3 ( proline-lacking ) , bi-3 ( valine-lacking ) , and bi-9 ( leucine-lacking ) are also multifunctional enzymes having molecular weights identical to that of the wild-type enzyme .
C3658346
multifunctional enzymes
C0014442
enzyme