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DNA gate C-gate Using the width of the DNA double helix as a distance scale, est

ID: 150313 • Letter: D

Question

DNA gate C-gate Using the width of the DNA double helix as a distance scale, estimate the length of the long alpha helix that connects the DNA gate area with the C gate. a. b. Use this length to calculate the number of turns and amino acid residues in this helix? Estimate c. At the center of the structure are 2 beta sheets, an upper and a lower one. What types are these d. Assuming the beta strand lengths in the sheets are two-thirds the diameter of the DNA double its molecular mass? sheets? Explain. helix, how many residues will the lower sheet contain?

Explanation / Answer

a)

b)

c)

d)