( ( This gene ) ( ( encodes ( ( ( the ( large subunit ) ) ( of ( DNA ( damage-binding protein ) ) ) ) ( that ( is ( ( a heterodimer ) ( composed ( of ( ( ( a large ) and ) ( a ( small ( ( -LRB- ( DDB2 -RRB- ) ) subunit ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT This) (NN gene)) (VP (VBZ encodes) (NP (NP (DT the) (JJ large) (NN subunit)) (PP (IN of) (NP (NNP DNA) (JJ damage-binding) (NN protein))) (SBAR (WHNP (WDT that)) (S (VP (VBZ is) (NP (NP (DT a) (NN heterodimer)) (VP (VBN composed) (PP (IN of) (NP (NP (DT a) (JJ large)) (CC and) (NP (DT a) (ADJP (JJ small)) (PRN (-LRB- -LRB-) (NP (NNP DDB2)) (-RRB- -RRB-)) (NN subunit))))))))))) (. .)))
This gene encodes the large subunit of DNA damage-binding protein that is a heterodimer composed of a large and a small (DDB2) subunit.
(ROOT (S (NP (NNS Genes)) (VP (VBP are) (VP (VBN composed) (PP (IN of) (NP (NN dna))))) (. .)))
Genes are composed of dna.