Match the protein to the descriptions. The protein to consider here is alpha ker
ID: 893030 • Letter: M
Question
Match the protein to the descriptions.
The protein to consider here is alpha keratin.
There may be several possible answers. Select all that apply. No partial credit.
every second residue is Glycine
contains Glycine at every 3rd residue
contains heptad repeats
has intrachain hydrogen bonds
contains left-handed helices
contains interchain hydrogen bonds
contains hydroxyproline
every second residue is Glycine
contains Glycine at every 3rd residue
contains heptad repeats
has intrachain hydrogen bonds
contains left-handed helices
contains interchain hydrogen bonds
contains hydroxyproline
Explanation / Answer
Alpha keratin is one of the protiens and it is a member of large family of intracellular keratins found in cytoskeleton.
It is present in hair, wool, nails, hoofs and horns. in keratin fibers, long streches of alpha helix are interspersed with globular regions.