The inositol trisphosphate receptor (IPR) is a crucial Ca^{2+ channel that regulates the Ca^{2+} influx from the endoplasmic reticulum (ER) to the cytoplasm.
<clarity> The inositol trisphosphate receptor (IPR) is a crucial Ca^{2+ channel that regulates the Ca^{2+} influx from the endoplasmic reticulum (ER) to the cytoplasm.
The inositol trisphosphate receptor (IPR) is a crucial ion channel that regulates the Ca^{2+} influx from the endoplasmic reticulum (ER) to the cytoplasm.