Flaviviruses bud into the endoplasmic reticulum and are transported through the secretory pathway. where the mildly acidic environment triggers particle rearrangement and allows furin processing of the prM protein to pr and M. The peripheral pr peptide remains bound to virus at low pH and inhibits virus-membrane interaction. Upon exocytosis. https://countryscenesaddleryandpetsuppliers.shop/product-category/latigo-and-billet-straps/