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Unformatted text preview: diagram. Number the β strands sequentially according to their order in the polypeptide chain. 2. Go to the Protein Data Bank, find the structure of an immunoglobulin of interest to you. Print out the variable domain β-sheet in a format that reveals the backbone fold. 3. What level of structure (primary, secondary, tertiary, quaternary) is recognized by the MHC antigen binding cleft? By the immunoglobulin CDRs? 4. Write a question for the class on Chapter 15 (Branden & Tooze) and answer it....
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- Spring '08
- Branden, protein folding problem