Assertion: tryptophan's effect | /r/HasProperty | determined in strain
Facets:
Source sentences:
text: PEP-consuming enzymes include phosphoenolpyruvate carboxylase (Ppc) and pyruvate kinases, such as PykA and PykF. The effects of inactivation of PykA/F on l-trp production were determined in strains KW003, KW004, and KW005.