( ( In cells ) ( , ( proteins ( ( are ( ( put ( in ( the bilayer ) ) ) ( by enzymes ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (NNS cells))) (, ,) (NP (NNS proteins)) (VP (VBP are) (VP (VBN put) (PP (IN in) (NP (DT the) (NN bilayer))) (PP (IN by) (NP (NNS enzymes))))) (. .)))
In cells, proteins are put in the bilayer by enzymes.
(ROOT (S (NP (JJ Integral) (NNS proteins)) (VP (VBP are) (VP (VBN embedded) (PP (IN in) (NP (JJ libid) (NN bilayer))))) (. .)))