1. Loggerhead Sea Turtle
  2. 686px-Alpha-Amanitin_RNA_polymerase_II_complex_1K83.png

686px-Alpha-Amanitin_RNA_polymerase_II_complex_1K83.png

Ribbon diagram of Saccharomyces cerevisiae RNA polymerase II in complex with α-amanitin (red). Active site magnesium ion visible in pink near center.
Credit:
Fvasconcellos