ATPases are a class of enzymes that play a crucial role in cellular energy metabolism. They are responsible for the hydrolysis of adenosine triphosphate (ATP) into adenosine diphosphate (ADP) and inorganic phosphate (Pi), a process that releases energy which the cell can use for various functions. ATPases can be found across different cellular compartments and have diverse functions, including transport of ions across membranes, muscle contraction, and DNA replication. There are several types of ATPases, including but not limited to: 1. P-type ATPases: These include the sodium-potassium pump and calcium pump, which are involved in active transport of ions. 2. V-type ATPases: Found in vacuoles and involved in acidifying compartments within the cell. 3. F-type ATPases: These are part of the ATP synthase complex in mitochondria, which synthesizes ATP during cellular respiration. 4. **ABC transporters (ATP-binding cassette transporters)**: These use the energy from ATP to transport a wide variety of molecules across extra- and intra-cellular membranes. ATPases are essential for maintaining the cellular energy balance and are involved in numerous physiological processes. read more >>

ATPases (EC 3.6.1.3, adenylpyrophosphatase, ATP monophosphatase, triphosphatase, SV40 T-antigen, adenosine 5'-triphosphatase, ATP hydrolase, complex V (mitochondrial electron transport), (Ca2+ + Mg2+)-ATPase, HCO3?-ATPase, adenosine triphosphatase) are a class of enzymes that catalyze the decomposition of ATP into ADP ...read more >>