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Calcium ATPase

1. Cation-transporting proteins that utilize the energy of ATP Hydrolysis for the transport of calcium. They differ from calcium channels which allow calcium to pass through a membrane without the use of energy. (

2. Calcium ATPase is a form of P-ATPase that transfers calcium after a muscle has contracted. The calcium ATPase are:

Plasma Membrane Calcium ATPase (PMCA)
Sarcoplasmic Reticulum Calcium ATPase (SERCA) (

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