( ( ( ( ( ( The ( predominant collagen ) ) ( in ( articular cartilage ) ) ) , ) ( type ( II collagen ) ) ) , ) ( ( is ( responsible ( for ( ( the ( structural integrity ) ) ( of ( the tissue ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NP (DT The) (JJ predominant) (NN collagen)) (PP (IN in) (NP (NN articular) (NN cartilage)))) (, ,) (NP (NN type) (NNP II) (NNP collagen)) (, ,)) (VP (VBZ is) (ADJP (JJ responsible) (PP (IN for) (NP (NP (DT the) (JJ structural) (NN integrity)) (PP (IN of) (NP (DT the) (NN tissue))))))) (. .)))
The predominant collagen in articular cartilage, type II collagen, is responsible for the structural integrity of the tissue.
(ROOT (S (NP (JJ Lamprey) (NN cartilage)) (VP (VBZ contains) (NP (DT no) (NN collagen))) (. .)))