LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY
Adenovirus protein and tumour suppressor. Molecular model of the E1A protein from human adenovirus bound to a retinoblastoma tumour suppressor. Tumour suppressors are proteins produced by the cell to encourage normal cell cycles, thus preventing the formation of tumours. When E1A binds, the tumour suppressor's action is blocked, and the development of malignant tumours becomes more likely.
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