PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10674710-1 2000 Hepatic methionine adenosyltransferase (MAT) deficiency is caused by mutations in the human MAT1A gene that abolish or reduce hepatic MAT activity that catalyzes the synthesis of S-adenosylmethionine from methionine and ATP. Adenosine Triphosphate 220-223 methionine adenosyltransferase 1A Homo sapiens 92-97