PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 32302123-5 2020 X-ray crystallography indicates that the amino groups of some compounds occupy a water-filled pocket surrounding an nNOS-specific aspartate residue (absent in eNOS). Water 81-86 nitric oxide synthase 1 Homo sapiens 116-120