Article
Phosphorylation and mutation of phospholamban alter physical interactions with the sarcoplasmic reticulum calcium pump.
Journal of molecular biology - 21 Jan 2011
Glaves John Paul, Trieber Catharine A, Ceholski Delaine K, Stokes David L, Young Howard S
Abstract excerpt
Phospholamban physically interacts with the sarcoplasmic reticulum calcium pump (SERCA) and regulates contractility of the heart in response to adrenergic stimuli. We studied this interaction using electron microscopy of 2D crystals of SERCA in complex with phospholamban. In earlier studies, phospholamban oligomers were found interspersed between SERCA dimer ribbons and a 3D model was constructed to show...
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