T. LARSEN, CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY T. LARSEN, CUSTOM MEDICAL STOCK PHOTO / SCIENCE PHOTO LIBRARY
Drugs bound to DNA. Molecular graphic of three drugs bound to a molecule of human DNA. The drugs on the DNA (deoxyribonucleic acid) double helix are: neotropsin (brown, centre), cisplatin (green, centre) and triostin-A (pink, lower centre). Atoms are seen as spheres and are colour-coded: carbon (black), oxygen (burgundy), nitrogen (blue) and phosphorous (white). Cisplatin is used in chemotherapy to treat malignant tumours. Drugs such as these are designed to block genes on the DNA, for example those that allow cancer cells to divide.
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