Extended Data Fig. 4: Mutations in NicA2 v320.
From: Directed evolution unlocks oxygen reactivity for a nicotine-degrading flavoenzyme

The crystal structure of wildtype NicA2 is displayed with residues highlighted that are mutated in NicA2 v320. Note F104 in orange, A107 in purple, D130 in green, T319 in salmon, L449 in cornflower blue, and N462 in turquoise.