Fig. 1

Prediction diagram of the CYP2U1 protein structure. (a) The overall structure of the CYP2U1 protein; (b) Local structural diagram of the histidine residue at position 305; (c) Local structural diagram of the tyrosine residue at position 305; (d) Hydrogen bonding between histidine at position 305 and adjacent amino acids; (e) Hydrogen bonding between tyrosine at position 305 and adjacent amino acids; Black represents hydrogen bonds