PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 21081698-2 2010 CBS catalyzes beta-replacement reactions of either serine or cysteine by homocysteine to give cystathionine and water or H(2)S, respectively. Cystathionine 94-107 Cystathionine beta-synthase Drosophila melanogaster 0-3