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STRIT1

Gene
STRIT1
Protein
Sarcoplasmic/endoplasmic reticulum calcium ATPase regulator DWORF
Organism
Homo sapiens
Length
35 amino acids
Function
Enhances the activity of ATP2A1/SERCA1 ATPase in sarcoplasmic reticulum by displacing ATP2A1/SERCA1 inhibitors, thereby acting as a key regulator of skeletal muscle activity. Does not directly stimulate SERCA pump activity. Enhances sarcoplasmic reticulum Ca(2+) uptake and myocyte contractility by displacing the SERCA inhibitory peptides sarcolipin (SLN), phospholamban (PLN) and myoregulin (MRLN).
Mass
3.836 kDa
Sequence
MAEKAGSTFSHLLVPILLLIGWIVGCIIMIYVVFS

Gene
Strit1
Protein
Sarcoplasmic/endoplasmic reticulum calcium ATPase regulator DWORF
Organism
Mus musculus
Length
34 amino acids
Function
Enhances the activity of ATP2A1/SERCA1 ATPase in sarcoplasmic reticulum by displacing ATP2A1/SERCA1 inhibitors, thereby acting as a key regulator of skeletal muscle activity (PubMed:26816378, PubMed:30299255). Does not directly stimulate SERCA pump activity (PubMed:26816378). Enhances sarcoplasmic reticulum Ca(2+) uptake and myocyte contractility by displacing the SERCA inhibitory peptides sarcolipin (SLN), phospholamban (PLN) and myoregulin (MRLN) (PubMed:26816378, PubMed:30299255).
Mass
3.815 kDa
Sequence
MAEKESTSPHLIVPILLLVGWIVGCIIVIYIVFF