Hydroxylation occurs at the γ- C atom , forming hydroxyproline ( Hyp ) , which stabilizes the secondary structure of collagen due to the strong electronegative effects of oxygen .
NOUN VERB ADP DET NUM PROPN NOUN , VERB NOUN ( PROPN ) , DET VERB DET ADJ NOUN ADP NOUN ADP ADP DET ADJ ADJ NOUN ADP NOUN .