Fig. 6.
PNC1 activity. The pyrazinamidase activity of PNC1 (nmol pyrazinoic acid produced/min/mg cellular protein) was measured using extracts from (A) parental (●), bna6Δ (▼), and pnc1Δ (■) yeast strains and (B) idhΔ (○), idhΔ bna6Δ (▽), and idhΔ pnc1Δ (□) yeast strains growing logarithmically in YP glucose medium (0 h) and at times following a shift to YP acetate medium.