Beta-galactosidase, Metabolic Enzyme - stock photo
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Beta-galactosidase, Metabolic Enzyme

Artistic illustration of density map of the enzyme beta-galactosidase determined by cryo-electron microscopy at 2.2 angstrom resolution. An essential enzyme in the human body, beta-galactosidase is commonly used in molecular biology as a marker to monitor the expression of genes. The foreground shows the overall shape of the molecule (right) and an electron beam striking a specimen grid (left), while the background shows images of single molecules (upper left) and the atomic contours of amino acids in the structure (lower right). Beta-galactosidase is an enzyme occurring in certain yeasts and in the intestinal juices of mammals, especially one that catalyzes the hydrolysis of lactose into glucose and galactose. Created by Veronica Falconieri, Sriram Subramaniam, 2015.

Science Source / NCI/Science Source

4200 x 3150 pixels

Print Size @ 300 dpi
14 x 10 inches / 36 x 27 cm

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