PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15523664-2 2004 We investigated whether polymorphic variants of fetal acetyl-N-transferase 1 (NAT1), an enzyme involved in the catabolism of folates, differentially interacted with maternal multivitamin use during early pregnancy to alter the risk of delivering an infant with an orofacial cleft malformation. Folic Acid 125-132 N-acetyltransferase 1 Homo sapiens 78-82