Lect. 6 composition & Architecture of plant viruses
Lect. 6 composition & Architecture of plant viruses
Lect. 6 composition & Architecture of plant viruses
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Watson and Crick<br />
• In 1956 proposed:<br />
• Amount <strong>of</strong> the virus nucleic acid was<br />
insufficient to code for more than a few<br />
proteins <strong>of</strong> limited size<br />
• Therefore the protein shell must be <strong>of</strong> identical<br />
subunits<br />
• Subunits had to be arranged to provide<br />
each with an identical environment, i.e.,<br />
symmetrical packing
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