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Bacteriophage portal proteins

Bacteriophage portal proteins

C014/7689

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Credit

LAGUNA DESIGN / SCIENCE PHOTO LIBRARY LAGUNA DESIGN / SCIENCE PHOTO LIBRARY

Caption

Bacteriophage portal proteins. Molecular model showing the structure of a complex of bacteriophage P22 portal protein (centre left) bound to middle tail factor GP4 (far left) and a long thin barrel section (centre 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 C014/7686). 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.

Release details

Model release not required. Property release not required.

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