American Society for Neurochemistry
The American Society for Neurochemistry ( ASN ) is a professional society for neurochemists and neuroscientists from North , Central , and South America and the Caribbean , whose research concerns the role and interactions of small molecules ( proteins , peptides , nucleic acids , lipids , sugars ) in the development , growth , function , and pathology of the nervous system . 
<triplet> American Society for Neurochemistry <subj> professional society <obj> instance of