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Major sperm protein molecule
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Major sperm protein molecule
Major sperm protein. Computer model showing the secondary structure of the peptide chains that make up major sperm protein (MSP). Hydrogen bonding is shown by beta sheets (arrows) and random coils (wires). MSP is the most abundant protein in the sperm of nematodes (roundworms). It makes up around 15 per cent of the total cell protein and plays an essential role in sperm motility. The MSP molecules are part of the cell cytoskeleton. They are built up into a bundle of long chains at the front of the cell, and are disassembled at the back. This moves the cells membrane allowing it to crawl forward in a process called treadmilling
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6303909
© LAGUNA DESIGN/SCIENCE PHOTO LIBRARY
Beta Sheet Bonding Coils Nematode Nematodes Proteins Random Coil Secondary Structure Sheets Structural Worm Bio Chemistry Biochemical Hydrogen Bonds Molecular Model Protein
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This print showcases the intricate structure of the major sperm protein (MSP) molecule, found abundantly in nematode sperm. The computer-generated model vividly displays the secondary structure of MSP's peptide chains, revealing a fascinating network of beta sheets and random coils held together by hydrogen bonding. As the most prevalent protein within nematode sperm cells, MSP plays a crucial role in facilitating their motility. It constitutes approximately 15 percent of the total cell protein and is an integral part of the cell cytoskeleton. At the front end of these remarkable cells, MSP molecules assemble into long chains that form bundles. Conversely, at the back end, they disassemble to enable movement. This process known as treadmilling allows nematode sperm to crawl forward with precision and efficiency. By altering its membrane configuration through this dynamic interplay between assembly and disassembly, these tiny organisms can navigate their environment effectively. The image not only highlights the structural beauty inherent in biology but also underscores how molecular intricacies govern vital biological functions. Through this stunning illustration created by Science Photo Library, we gain insight into one aspect of nature's ingenious mechanisms that drive life on Earth - from wild fauna to microscopic wonders like nematodes - reminding us once again how interconnected all living beings are on our planet.
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