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. 2019 Jul 24;8(8):240. doi: 10.3390/antiox8080240

Figure 2.

Figure 2

(I) Top binding mode of phlorotannins phloroglucinol (blue stick), eckol (green stick), phlorofucofuroeckol-A (purple stick), and 974-A (yellow stick) for the oxy-form tyrosinase with positive controls, l-tyrosine (black stick) and luteolin (red stick) (A). Copper and peroxide ions are shown in orange and red spheres, respectively. (II) 2D diagram showing l-tyrosine (A), luteolin (B), phloroglucinol (C), eckol (D), phlorofucofuroeckol-A (E), and 974-A (F) binding pose in active site of tyrosinase.