Plant synaptotagmins (SYTs) are resident proteins of the endoplasmic reticulum (ER). They are characterized by an N-terminal transmembrane region and C2 domains at the C-terminus. which tether the ER to the plasma membrane (PM). In addition to their tethering role. https://www.annigora.com/product-category/household-cleaning-skincare-and-beauty-products/