KCNMB3 (Potassium Calcium-Activated Channel Subfamily M Regulatory Beta Subunit 3): KCNMB3 belongs to a family of calcium-activated potassium channels that play a role in regulating neuronal excitability and vascular tone. This gene is crucial for blood pressure regulation and cardiovascular health, and variations in KCNMB3 may be linked to hypertension and heart disease.