The Na+/K+ ATPase pump is an essential membrane protein that actively transports sodium ions out of and potassium ions into cells, maintaining the electrochemical gradient crucial for cellular function. This pump is vital for processes such as nerve impulse transmission and muscle contraction, making it a key target in treating conditions like heart failure, where its inhibition can improve cardiac output. Dysregulation can lead to complications such as hyperkalemia or cardiac arrhythmias.

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