Haemagglutinin from bird flu virus
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Haemagglutinin from bird flu virus
Haemagglutinin from bird flu virus, molecular model. This protein, H5, is found on the surface of the bird flu virus H5N1. It is responsible for binding the virus to the cell membrane before it enters the cell. All influenza viruses contain haemagglutinin, but the shape of the protein determines which species the virus will infect. H5N1 cannot infect humans because H5 cannot bind to human cells; normally, only flu viruses with H1, H2 or H3 haemagglutinins can infect humans. In this model, solid colours represent the secondary structure of the protein (spiral ribbons are alpha helices; arrows are beta sheets), and the faded tubular structure behind represents the individual atoms and bonds
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6274613
© LAGUNA DESIGN/SCIENCE PHOTO LIBRARY
Alpha Helix Avian Flu Beta Sheets Bird Flu Compound Compounds Epidemic H5n1 Haemagglutinin Helices Influenza Molecules Pandemic Proteins Secondary Structure Sheet Viral Virology Zoonosis Bio Chemistry Biochemical Micro Biology Microbiological Molecular Molecular Model Protein
EDITORS COMMENTS
This print showcases the intricate molecular model of Haemagglutinin from the bird flu virus, specifically H5N1. As a vital protein found on the surface of this virus, H5 plays a crucial role in binding the virus to cell membranes before it infiltrates them. The diverse shapes and structures of haemagglutinin determine which species will be susceptible to infection by different influenza viruses. In this visually stunning illustration, solid colors represent the secondary structure of the protein, with spiral ribbons depicting alpha helices and arrows symbolizing beta sheets. Behind these vibrant representations lies a faded tubular structure that represents individual atoms and bonds within the molecule. It is worth noting that while H5N1 poses a severe threat to avian populations, it cannot infect humans due to its inability to bind with human cells. Typically, only flu viruses carrying H1, H2 or H3 haemagglutinins have the capability to infect humans. This remarkable image not only highlights the complexity of biochemical compounds but also serves as a reminder of how understanding molecular biology is instrumental in combating epidemics such as bird flu. It provides valuable insights into virology and contributes significantly to ongoing research efforts aimed at preventing potential pandemics caused by zoonotic diseases like avian flu.
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