DASSAULT SYSTEMES BIOVIA LTD / SCIENCE PHOTO LIBRARY DASSAULT SYSTEMES BIOVIA LTD / SCIENCE PHOTO LIBRARY
Lysozyme molecule. Computer graphic of a molecule of the anti-bacterial enzyme lysozyme. Colour- coding shows different structural elements within the molecule: helices are pink, sheet sections are blue, the red cylinder represents a coil. Lysozyme is a naturally occurring antibiotic that destroys bacteria by cleaving a vital protein in their cell walls. As a result, the bacteria burst open and die. Like other enzymes, lysozyme is found in many human body fluids, including tears and saliva. Its highly specific chemistry is due to the molecule's complex shape.
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