Myoinhibiting neuropeptide. Expressed in corpora cardiaca (CC), corpora allata (CA), antennal lobe (AL) and gnathal ganglion (GNG) (at protein level). In its non-pyroglutamate form, expression in GNG detected in all animals, in AL, CC and in CA in most animals (at protein level). In its pyroglutamate form, expression in CC, CA and GNG detected in all animals, in AL in some animals (at protein level). Non-pyroglutamate form. Pyroglutamate form. Belongs to the myosuppressin family.