LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
Glutathione. Molecular model of the antioxidant glutathione (GST). GST is a small protein molecule manufactured inside human cells from the amino acids cysteine, glycine, and glutamic acid. It protects the cells from toxins such as free radicals. Atoms are colour-coded: sulphur (yellow), nitrogen (blue), oxygen (red) and carbon (white). Hydrogen atoms have been omitted.
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