( ( ( ( ( ( ( Two ( Rippled-sheet Configurations ) ) ( of Polypeptide ) ) Chains ) , ) and ) ( ( a Note ) ( About ( the ( Pleated Sheets ) ) ) ) ) . )
(ROOT (S (S (NP (NP (CD Two) (JJ Rippled-sheet) (NNS Configurations)) (PP (IN of) (NP (NNP Polypeptide)))) (VP (VBZ Chains))) (, ,) (CC and) (S (NP (DT a) (NN Note)) (PP (IN About) (NP (DT the) (NNP Pleated) (NNPS Sheets)))) (. .)))
Two Rippled-sheet Configurations of Polypeptide Chains, and a Note About the Pleated Sheets.
(ROOT (S (NP (NNP Insulin)) (VP (VBZ is) (VP (VBN made) (PRT (RP up)) (PP (IN of) (NP (CD two) (JJ polypeptide) (NNS chains))))) (. .)))