PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24660679-9 2014 Additionally, the hydantoin ring of 66 is able to interact by hydrogen bonds with two conserved water molecules in the MAO-A active site, while the methyl-thiohydantoin ring of 68 is within hydrogen bond distance from the hydrogen atom attached to the (N-5) of FAD cofactor. Hydantoins 18-27 monoamine oxidase A Homo sapiens 119-124