PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 28821635-1 2017 Classical homocystinuria (HCU) is an inborn error of sulfur amino acid metabolism caused by deficient activity of cystathionine beta-synthase (CBS), resulting in an accumulation of homocysteine and a concomitant decrease of cystathionine and cysteine in blood and tissues. Cysteine 185-193 cystathionine beta-synthase Mus musculus 114-141 28821635-1 2017 Classical homocystinuria (HCU) is an inborn error of sulfur amino acid metabolism caused by deficient activity of cystathionine beta-synthase (CBS), resulting in an accumulation of homocysteine and a concomitant decrease of cystathionine and cysteine in blood and tissues. Cysteine 185-193 cystathionine beta-synthase Mus musculus 143-146