( ( Peptides ( can ( ( have ( ( ( as ( few ( as three ) ) ) or ) ( ( ( up to ) 80 ) ( amino acids ) ) ) ) ( chained together ) ) ) ) ( , ( ( said ( ( Young , ) ( while ( proteins ( can ( be ( thousands ( of ( ( chain links ) long ) ) ) ) ) ) ) ) ) . ) ) )
(ROOT (SINV (S (NP (NNS Peptides)) (VP (MD can) (VP (VB have) (NP (NP (QP (RB as) (JJ few) (IN as) (CD three))) (CC or) (NP (QP (IN up) (TO to) (CD 80)) (JJ amino) (NNS acids))) (ADVP (RB chained) (RB together))))) (, ,) (VP (VBD said)) (NP (NP (NNP Young)) (, ,) (SBAR (IN while) (S (NP (NNS proteins)) (VP (MD can) (VP (VB be) (NP (NP (NNS thousands)) (PP (IN of) (NP (NP (NN chain) (NNS links)) (ADVP (RB long)))))))))) (. .)))
Peptides can have as few as three or up to 80 amino acids chained together, said Young, while proteins can be thousands of chain links long.
(ROOT (S (NP (DT A) (PRN (-LRB- -LRB-) (NP (NN n)) (-RRB- -RRB-)) (NN protein)) (VP (VBZ is) (VP (VBN formed) (SBAR (WHADVP (WRB when)) (S (NP (JJ amino) (NNS acids)) (VP (VBP are) (VP (VBN linked) (ADVP (RB together)) (PP (IN in) (NP (DT a) (JJ long) (NN chain))))))))) (. .)))