Hydroxyproline-rich glycoproteins (HRGPs) are major protein components in dicot primary cell walls and generally account for more than 10% of the wall dry weight. As essential members of the HRGP superfamily. extensins (EXTs) presumably function in the cell wall by assembling into positively charged protein scaffolds (Cannon et al. 2008) that direct the proper deposition of other wall... https://herbsdailyes.shop/product-category/vitamins-and-minerals/