Chapter 2b - Fibrous Proteins Flashcards
1
Q
What is the most abundant protein in the human body?
A
25% of all protein is Collagen, found in bone tendons and skin. Over 90% of human collagen is of type I , II, III AND IV out of 28.
2
Q
What is the structure of collagen?
A
3 helical polypeptide chains (triple helix)
3
Q
Collagen is rich in which amino acid?
A
Proline
4
Q
What is the role of Proline?
A
To cause the alpha chain to conform into a helical shape, and it also causes kinks in the peptide chain.