Which of the following amino acid is present more in Procollagen as compared to mature collagen?
A. ProlineB. Glycine
C. Cysteine
D. Tryptophan
E. Phenylalanine
Answer. C. Cysteine
Procollagen
fibers contain cysteine residues that form intramolecular disulfide bonds.
These interchain disulfide links are removed with peptides during the
conversion of procollagen to collagen.
