Protein and ATP production in the presence versus absence of K2TeO3. (A) Strain KR99. Similar results for E5; (B) Strain E1. Similar results for E4(1), RB3, and RB 16-17. ♦—No K2TeO3; ▲—500 µg/mL K2TeO3; (C) Strain KR99. Similar results for E5; (D) Strain E1. Similar results for E4(1), RB3, and RB 16-17. ♦—No K2TeO3; ▀—500 µg/mL K2TeO3. Error bars represent one standard deviation.