CA2 (Carbonic Anhydrase II): CA2 encodes an enzyme that is extremely important in the regulation of pH and fluid balance in various tissues, including the kidney. It catalyzes the reversible hydration of carbon dioxide, playing a vital role in respiratory gas exchange and acid-base balance. Mutations in CA2 can lead to conditions like osteopetrosis and renal tubular acidosis, highlighting its essential role in bone and kidney function....