PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16164743-2 2005 In humans, a common polymorphism exists in the eNOS gene that results in the conversion of glutamate to aspartate for codon 298. Aspartic Acid 104-113 nitric oxide synthase 3 Homo sapiens 47-51