( ( Receptors ( for ( water-soluble hormones ) ) ) ( ( are ( ( transmembrane proteins ) ( that ( span ( the ( plasma membrane ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNS Receptors)) (PP (IN for) (NP (JJ water-soluble) (NNS hormones)))) (VP (VBP are) (NP (NP (JJ transmembrane) (NNS proteins)) (SBAR (WHNP (WDT that)) (S (VP (VBP span) (NP (DT the) (NN plasma) (NN membrane))))))) (. .)))
Receptors for water-soluble hormones are transmembrane proteins that span the plasma membrane.
(ROOT (S (NP (JJ Transmembrane) (NNS proteins)) (VP (VBP span) (NP (DT the) (JJ entire) (NN plasma) (NN membrane))) (. .)))