53.6 MB (428.8 KB compressed)
5000 x 3750 pixels
42.4 x 31.8 cm ⏐ 16.7 x 12.5 in (300dpi)
ALFRED PASIEKA / SCIENCE PHOTO LIBRARY ALFRED PASIEKA / SCIENCE PHOTO LIBRARY
Tryptophan, molecular model. Essential amino acid and one of the 20 standard amino acids. Atoms are represented as spheres and are colour-coded: carbon (grey), hydrogen (blue-green), nitrogen (blue) and oxygen (red).
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