Bacteriophage portal proteins. Molecular model showing the structure of a complex of bacteriophage P22 portal protein (lower left) bound to middle tai
Bacteriophage portal proteins. Molecular model showing the structure of a complex of bacteriophage P22 portal protein (lower left) bound to middle tail factor GP4 (bottom left) and a long thin barrel section (upper right). Bacteriophages are viruses that infect bacteria, with their genetic material injected into the host cell through protein complexes such as this. For a close-up of the circular structure at lower left, see C014/7671). This structure inserts deeply into the virion and similar to a rifle barrel increases the accuracy of ejection of genetic material into the host cell. The P22 bacteriophage infects enterobacteria.
Size: 4180px × 4180px
Photo credit: © LAGUNA DESIGN/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
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