PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 31893496-2 2019 In mammalian tissues, H2S is synthesized endogenously from L-cysteine in regulated enzymatic pathways catalyzed by pyridoxal phosphate-dependent enzymes: cystathionine beta - synthase (CBS), gamma - cystathionase (CTH) and cysteine aminotransferase (CAT) coupled with 3-mercaptopyruvate sulfurtransferase (MPST). Pyridoxal Phosphate 115-134 mercaptopyruvate sulfurtransferase Homo sapiens 268-304 31893496-2 2019 In mammalian tissues, H2S is synthesized endogenously from L-cysteine in regulated enzymatic pathways catalyzed by pyridoxal phosphate-dependent enzymes: cystathionine beta - synthase (CBS), gamma - cystathionase (CTH) and cysteine aminotransferase (CAT) coupled with 3-mercaptopyruvate sulfurtransferase (MPST). Pyridoxal Phosphate 115-134 mercaptopyruvate sulfurtransferase Homo sapiens 306-310