Bacteriophage phi29, computer model

Bacteriophage phi29, computer model

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This image is part of the feature Modelling Nature Deadly Machines

Credit: UCSF CHIMERA/SCIENCE PHOTO LIBRARY

Caption: Bacteriophage phi29, computer model. Cross section of phi29 created using UCSF Chimera software and data from cryo-electron microscopy. Bacteriophages are viruses that infect bacteria. Phi29 infects Bacillus subtilis. This image shows the empty protein shell, known as the capsid, which normally encases the DNA. At the base are proteins that form the 'tail' and a 'portal' (light green, red). The portal is a molecular motor that powers the packaging of DNA within the virus and injection into a host. Cryo-electron microscopy uses beams of electrons, which are fired at multiple angles, to image specimens kept at minus 150 degrees Celsius. The resulting 'slices' of data are reconstructed into 3-D models on computer.

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Keywords: 3-d, 3-d electron microscopy, 3-d visualisation, 3-d visualization, 3d, artwork, bacillus subtilis, bacteriophage, biological, biological motor, biology, capsid, cgi, chimera, computer rendering, cross section, cryo-electron, cryo-electron microscope, cryo-electron microscopy, cryo-em, cryoelectron, digitally generated, electron cryo-microscopy, electron cryomicroscopy, electron microscopy, illustration, macromolecular, macromolecule, medical, microbiological, microbiology, modelling, molecular imaging, molecular machine, molecular model, molecular motor, molecular structure, nanomotor, pdb, phage, phi29, portal, protein, protein database, protein shell, reconstruction, shape, structural biology, structure, surface, three-dimensional, ucsf chimera, viral, viral shell, virion, virology, virus, virus head, virus tail

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