( ( ( ( ( The ( Pho85 kinase ) ) , ) ( ( a member ) ( of ( the ( yeast ( cyclin-dependent ( kinase ( ( -LRB- ( Cdk -RRB- ) ) family ) ) ) ) ) ) ) ) , ) ( ( has ( ( a ( regulation mechanism ) ) ( ( different ( from Cdks ) ) ( functioning ( throughout ( the ( cell cycle ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ Pho85) (NN kinase)) (, ,) (NP (NP (DT a) (NN member)) (PP (IN of) (NP (DT the) (NN yeast) (NN cyclin-dependent) (NN kinase) (PRN (-LRB- -LRB-) (NP (NNP Cdk)) (-RRB- -RRB-)) (NN family)))) (, ,)) (VP (VBZ has) (S (NP (DT a) (NN regulation) (NN mechanism)) (ADJP (JJ different) (PP (IN from) (NP (NNP Cdks)))) (S (VP (VBG functioning) (PP (IN throughout) (NP (DT the) (NN cell) (NN cycle))))))) (. .)))
The Pho85 kinase, a member of the yeast cyclin-dependent kinase (Cdk) family, has a regulation mechanism different from Cdks functioning throughout the cell cycle.
(ROOT (S (NP (NNS Cyclins)) (VP (VB regulate) (NP (DT the) (NN cell) (NN cycle)) (ADVP (RB only)) (SBAR (WHADVP (WRB when)) (S (NP (PRP they)) (VP (VBP are) (ADJP (RB tightly) (VBN bound) (PP (TO to) (NP (NNS cdks)))))))) (. .)))