Caspase 3 molecule
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Caspase 3 molecule
Caspase-3 molecule. Computer artwork showing the secondary structure of a molecule of caspase-3. Caspase-3 is a protease, an enzyme that cleaves proteins, that plays a role in apoptosis (programmed cell death). It causes the fragmentation of actin filaments, part of a cells cytoskeleton, and the inactivation of the DNA repairing enzyme poly(ADP-ribose) polymerase. It also activates other caspases as part of the caspase cascade of apoptosis. Caspase-3 is the predominant caspase involved in Alzheimers disease, processing the protein that is associated with neurone death
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6294977
© DR MARK J. WINTER/SCIENCE PHOTO LIBRARY
Apoptosis Compound Compounds Enzyme Enzymes Helices Heterodimer Heterodimeric Molecules Programmed Cell Death Protease Secondary Structure Sheets Sub Unit Subunits Bio Chemistry Molecular Protein
EDITORS COMMENTS
This print showcases the intricate structure of the Caspase 3 molecule, a vital player in the process of programmed cell death known as apoptosis. Created through computer artwork, this image reveals the secondary structure of caspase-3, which is a protease enzyme responsible for cleaving proteins. Caspase-3's role in apoptosis involves several crucial functions. It induces actin filament fragmentation, disrupting a cell's cytoskeleton, and deactivates poly (ADP-ribose) polymerase, an essential DNA repairing enzyme. Additionally, it triggers other caspases as part of the cascading effect that leads to apoptosis. Notably, Caspase-3 holds significant relevance in Alzheimer's disease as it processes the protein associated with neuron death. This makes it one of the primary caspases involved in this debilitating condition. The molecular composition depicted here highlights its complexity and importance within biological systems. Composed of sheets and helices arranged into a heterodimeric subunit configuration, this cysteine protease exhibits both cysteine and aspartic acid residues critical for its enzymatic activity. This visually stunning illustration not only serves as a testament to scientific artistry but also provides valuable insights into biochemistry and molecular biology research. By capturing such detailed representations of compounds like Caspase 3 at work within our cells' inner workings, we gain deeper understanding into their roles and potential therapeutic applications.
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