DAPK3 and Pyridone 6 proteins. Molecular model of death-associated protein kinase 3 (DAPK3), also called dual leucine zipper kinase (ZIPK), complexing with a pyridone 6 molecule. DAPK3 initiates apoptosis (programmed cell death), which is a natural defence mechanism if cells start to function abnormally. Pyridone 6 is a kinase inhibitor. If these molecules do not work efficiently, they can result in cancer, where cells have limitless growth and proliferation.
Science Photo Library was founded in 1981 by Michael Marten, one of the authors of "Worlds Within Worlds", a book exploring different ways to observe the universe - from electron micrographs, to images of earthrise taken from the Apollo spacecraft. When Marten started receiving requests for the beautiful images in the book, he had an idea of setting up Science Photo Library.
Since then, Science Photo Library has continued to work alongside world acclaimed photographers and the leading science and medical experts to provide a central source of the best science and specialist imagery available. Although the collection started with scientific images, it has grown to encompass all aspects of science and their impact on everyday life.
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