( ( Sarcoplasmic proteins ) ( ( are ( soluble ( ( ( ( ( in ( solution ( of ( low ( salt concentration ) ) ) ) ) , ) but ) not ) ( in water ) ) ) ) . ) )
(ROOT (S (NP (JJ Sarcoplasmic) (NNS proteins)) (VP (VBP are) (ADJP (JJ soluble) (PP (PP (IN in) (NP (NP (NN solution)) (PP (IN of) (NP (JJ low) (NN salt) (NN concentration))))) (, ,) (CC but) (RB not) (PP (IN in) (NP (NN water)))))) (. .)))
Sarcoplasmic proteins are soluble in solution of low salt concentration, but not in water.
(ROOT (S (NP (JJ Fresh) (NN water) (NNS biomes)) (VP (VBP are) (VP (VBN defined) (PP (IN by) (NP (JJ low) (NN salt) (NN concentration))))) (. .)))