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Zinc fingers bound to a DNA strand

Zinc fingers bound to a DNA strand


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Science Photo Library

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Zinc fingers bound to a DNA strand

Zinc fingers bound to a DNA strand, molecular model. The double helix of DNA (deoxyribonucleic acid, red and yellow) is seen here with two Zif268 proteins (blue and green). A zinc finger is a type of DNA-binding domain. It is found in a wide range of DNA-binding regulatory proteins. Zinc fingers are so named for their resemblance to fingers projecting from the protein. They afford the protein a purchase on the DNA by projecting a precise arrangement of side chains into the helical DNA molecule. Each Zif268 protein has three fingers

Science Photo Library features Science and Medical images including photos and illustrations

Media ID 9218399

© LAGUNA DESIGN/SCIENCE PHOTO LIBRARY

Binding Biomolecule Bound Complex Dna Binding Domain Double Helix Genetic Graphic Helical Macromolecule Molecular Biology Molecules Nucleic Acid Proteins Proteomics Regulatory Protein Spiral Strand Structural Zinc Finger Biochemical Biochemistry Cutouts Deoxyribonucleic Acid Genetics Molecular Model Molecular Structure Protein


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EDITORS COMMENTS
This print showcases the intricate molecular structure of zinc fingers bound to a DNA strand. The vibrant colors and detailed illustration bring to life the fascinating world of genetics and molecular biology. The image features a double helix of DNA, represented by red and yellow strands, with two Zif268 proteins elegantly intertwined within it. These proteins, depicted in blue and green, possess three zinc finger domains each. Zinc fingers are specialized regions found in various regulatory proteins that enable them to bind to specific sequences on the DNA molecule. The name "zinc finger" originates from their striking resemblance to fingers projecting from the protein itself. This unique shape allows these proteins to securely attach themselves to the DNA strand by precisely arranging their side chains into its helical structure. By studying this complex binding process at a molecular level, scientists gain valuable insights into how genetic information is regulated within our bodies. Understanding these mechanisms holds immense potential for advancements in fields such as medicine, biochemistry, and proteomics. With its white background and impeccable detail, this artwork serves as a visual representation of cutting-edge research in molecular biology. It highlights the beauty hidden within our cells while also emphasizing the crucial role played by zinc fingers in shaping our genetic makeup.

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