Alpha Helix Structure Model
SKU: 68796W
This Indigo® alpha helix model consists of 20 amino acid cores to show secondary structure based on 3.6 amino acid residues per turn. This helical polypeptide backbone consists solely of alpha carbons and amino & carboxyl groups. “R” groups are indicated with a univalent green atom.
These can be replaced with optional parts to show actual amino acid residues such as methionine, alanine, leucine, glutamate and lysine in the polypeptide chain. The alpha helix model is also a useful complement for the Indigo® 12 base pair DNA double helix model. It fits the major groove easily & shows steric hindrance when squeezed into the minor groove.
If you buy 2 model kits you can compare the differences in structure between the alpha helix and beta pleated sheet.
