5 Questions
What is the most common helical structure found in proteins with three residues per turn and 10 atoms in the ring formed by making the hydrogen bond?
310 helix
What are the other common helical structures in proteins that break up the regular nature of the alpha-helix?
27 and 4.416 helices
What is a B-bulge commonly found in?
Antiparallel beta-sheets
How many residues are involved in a B-bulge?
Two residues on one strand and one on the other
What is the nomenclature used for the 27 and 4.416 helices?
Following the same as the 310 helix
Test your knowledge on irregularities and other helical structures found in proteins, such as the 3₁₀ helix, 2₇ helix, and 4.4₁₆ helix. Learn about B-bulges and the disruptions they cause to the regularity of a-helices.
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