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Table 1 SERCA isoforms and its distribution in mammalian tissues

From: The SarcoEndoplasmic Reticulum Calcium ATPase (SERCA) pump: a potential target for intervention in aging and skeletal muscle pathologies

Cell type SERCA isoforms
Skeletal muscle
Fast twitch SERCA 1a, 1b*, 2a, 2b (*fetal only)
Slow twitch SERCA 2a, 2b
Cardiac muscle SERCA 2a, 2b
Non-muscle cells SERCA 2b, 3a, 3b, 3c