LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
Glutamic acid. Molecular model of the non-essential amino acid glutamic acid (C5.H9.N.O4). This dicarboxylic acid is one of the amino acids that is a precursor to proteins. It is also an important neurotransmitter. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (white), nitrogen (blue) and oxygen (red). Illustration.
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