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Unformatted text preview: enclosed in an ____________________ 3. __________________________ causes a conformational change in _______________________ 4. MB fusion occurs b Viral __________ released into cytoplasm • Hemagglutinin (HA) o Structure (B&T Fig. 5.19) s Single polypeptide _____________________________ into HA1 & HA2 s Functions as ______________ on cell surface s 3 long α helices tightly wrapped up (Motif: _______________________) s Receptor binding sites on _____________________________ s At the end of Helix A is ___________ peptide that is rich with ___________________ aa o Two Functions: • Viral budding o The presence of sialic acid on the host’s cell plasma MB and viral surface can lead to problems s s Solution? • Antigenic Drift vs. Antigenic Shift High pH Low pH...
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This note was uploaded on 01/02/2010 for the course BIBC BIBC 100 taught by Professor Buehler during the Fall '09 term at UCSD.
- Fall '09