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Kuliah 1 Membran

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Konsentrasi K + dalam sel sekitar 100 mM,<br />

diluar sel 5 mM. Konsentrasi Na + diluar sel<br />

150 mM di dalam sel 10 – 20 mM.<br />

Setiap hidrolisis 1 ATP, 3 Na + dipompa keluar<br />

dan 2 K + masuk<br />

Tipe pompa: tipe P → saat memompa ada<br />

transfer grup fosfat ke residu asam aspartat<br />

dari protein yang menyebabkan perubahan<br />

konformasi

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