( Spectrin ( ( is ( ( an ( actin ( crosslinking ( and ( molecular ( scaffold protein ) ) ) ) ) ) ( that ( links ( ( ( ( ( ( ( ( ( ( the ( plasma membrane ) ) ( to ( the ( actin cytoskeleton ) ) ) ) , ) and ) ( functions ( in ( ( the determination ) ( of ( cell shape ) ) ) ) ) ) , ) ( arrangement ( of ( transmembrane proteins ) ) ) ) , ) and ) ( organization ( of organelles ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Spectrin)) (VP (VBZ is) (NP (NP (DT an) (NN actin) (NN crosslinking) (CC and) (JJ molecular) (NN scaffold) (NN protein)) (SBAR (WHNP (WDT that)) (S (VP (VBZ links) (NP (NP (NP (DT the) (NN plasma) (NN membrane)) (PP (TO to) (NP (DT the) (NN actin) (NN cytoskeleton)))) (, ,) (CC and) (NP (NP (NNS functions)) (PP (IN in) (NP (NP (DT the) (NN determination)) (PP (IN of) (NP (NN cell) (NN shape)))))) (, ,) (NP (NP (NN arrangement)) (PP (IN of) (NP (JJ transmembrane) (NNS proteins)))) (, ,) (CC and) (NP (NP (NN organization)) (PP (IN of) (NP (NNS organelles)))))))))) (. .)))
Spectrin is an actin crosslinking and molecular scaffold protein that links the plasma membrane to the actin cytoskeleton, and functions in the determination of cell shape, arrangement of transmembrane proteins, and organization of organelles.
(ROOT (S (NP (JJ Transmembrane) (NNS proteins)) (VP (VBP span) (NP (DT the) (JJ entire) (NN plasma) (NN membrane))) (. .)))