( ( The diagram ) ( below ( ( shows ( ( ( a ( polypeptide chain ) ) and ) ( two ( adjacent ( cysteine groups ) ) ) ) ) . ) ) )
(ROOT (S (NP (DT The) (NN diagram)) (ADVP (RB below)) (VP (VBZ shows) (NP (NP (DT a) (JJ polypeptide) (NN chain)) (CC and) (NP (CD two) (JJ adjacent) (NN cysteine) (NNS groups)))) (. .)))
The diagram below shows a polypeptide chain and two adjacent cysteine groups.
(ROOT (S (NP (NNP Insulin)) (VP (VBZ is) (VP (VBN made) (PRT (RP up)) (PP (IN of) (NP (CD two) (JJ polypeptide) (NNS chains))))) (. .)))