The effects of the phenylalanine 256 to valine mutation on the sensitivity of sarcoplasmic/endoplasmic reticulum Ca2+ ATPase (SERCA) Ca2+ pump isoforms 1, 2, and 3 to thapsigargin and other inhibitors.

Abstract excerpt

Three isoforms of the sarcoplasmic/endoplasmic reticulum Ca(2+) ATPase (SERCA) are known to exist in mammalian cells. This study investigated the effects of thapsigargin and a variety of commonly used hydrophobic inhibitors on these SERCA isoforms (i.e. SERCA1b, SERCA2b, and SERCA3a), which were transiently expressed in COS-7 cells. In addition, the study assessed whether the introduction of the phenylalanine to...

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