( ( Photoactive ( yellow protein ) ) ( ( Photoactive ( ( yellow protein ) ( is ( ( a ( water-soluble ( blue-light sensor ) ) ) ( involved ( in ( ( negative phototaxis ) ( in eubacteria ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (JJ Photoactive) (JJ yellow) (NN protein)) (VP (VBP Photoactive) (SBAR (S (NP (JJ yellow) (NN protein)) (VP (VBZ is) (NP (NP (DT a) (JJ water-soluble) (JJ blue-light) (NN sensor)) (VP (VBN involved) (PP (IN in) (NP (NP (JJ negative) (NNS phototaxis)) (PP (IN in) (NP (NN eubacteria))))))))))) (. .)))
Photoactive yellow protein Photoactive yellow protein is a water-soluble blue-light sensor involved in negative phototaxis in eubacteria.
(ROOT (S (NP (NNS Phototaxis)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (NP (NN movement)) (PP (IN toward) (NP (NN light))))))) (. .)))