Synonyms: NeuropeptideY (pig),7-[N6-[5-(hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl)-1-oxopentyl]-L-lysine]-,[3aS-(3aa,4b,6aa)]-; Peptide YG (Lophius americanus pancreatic islet),3-L-serine-6-L-asparticacid-7-[N6-[5-(hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl)-1-oxopentyl]-L-lysine]-10-L-glutamicacid-11-L-asparticacid-13-L-proline-14-L-alanine-17-L-leucine-19-L-arginine-21-L-tyrosine-22-L-serine-24-L-leucine-28-L-isoleucine-36-L-tyrosinamide-37-deglycine-,[3aS-(3aa,4b,6aa)]-; 1H-Thieno[3,4-d]imidazole, neuropeptide Y deriv.