Two of these structures can interact with each other if a heptad repeat is present. These structures showminima at 208 and 222 nanometers in CD spectroscopy, and the relative locations of their monomers aredisplayed on Wenxiang diagrams. Due to their dipole moment they are often capped by a negative charge.They occupy a stripe in the third quadrant of the Ramachandran plot. Seven of these structures thatspanning a membrane are found in G protein coupled receptors. Glycine is rarely found in them because ofthe entropic cost. This type of structure is stabilized from hydrogen bonding between amino acids inposition i and i+4. For 10 points, name this common type of moti
Two of these structures can interact with each other if a heptad repeat is present. These structures showminima at 208 and 222 nanometers in CD spectroscopy, and the relative locations of their monomers aredisplayed on Wenxiang diagrams. Due to their dipole moment they are often capped by a negative charge.They occupy a stripe in the third quadrant of the Ramachandran plot. Seven of these structures thatspanning a membrane are found in G protein coupled receptors. Glycine is rarely found in them because ofthe entropic cost. This type of structure is stabilized from hydrogen bonding between amino acids inposition i and i+4. For 10 points, name this common type of motif that is part of a protein's secondarystructure, often contrasted with the beta sheet.
Two of these structures can interact with each other if a heptad repeat is present.
alpha helix [prompt on helix]