9. Structure of Proteins

Question 1

5 examples of super secondary structures

Answer 1

Helix turn helix
beta barrel
beta meander
greek key

Question 2

what is a leucine zipper

Answer 2

a variation of the alpha helix such that leucine residues are strategically located such that they can interact with other leucines and form a ‘zipper’

Question 3

what is a tertiary structure?

Answer 3

3-D arrangement of all atoms in a single polypeptide chain

Question 4

what interaction is the most stabilizing in protein tertiary structure

Answer 4

hydrophobic interactions

Question 5

what is a protein domain

Answer 5

a compact independently folding unit in a protein

Question 6

what is an oligometric protein

Answer 6

A protein with multiple subunits

Question 7

what is a primary structure of protein

Answer 7

Arrangement of amino acids

Question 8

what is the secondary structure of amino acid

Answer 8

alph ahelices, beta turns

Question 9

what is the tertiary structure of amino acid

Answer 9

presence of dimers

Question 10

what is the quaternary structure of amino acids

Answer 10

spatial arragement