LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
Proline. Molecular model of the non-essential alpha-amino acid proline (C5.H9.N.O2), one of the 20 DNA-encoded amino acids. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (white), nitrogen (blue) and oxygen (red). Illustration.
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