PCSK2 (Proprotein Convertase Subtilisin/Kexin Type 2): PCSK2 is an enzyme involved in processing precursor proteins into their biologically active forms. It plays a crucial role in the maturation of neuropeptides and hormones within neuroendocrine tissues. Dysregulation of PCSK2 can affect the synthesis of important signalling molecules, impacting processes such as the stress response, metabolism, and growth.