negative regulation of Wnt-Frizzled-LRP5/6 complex assembly
Known as: downregulation of Wnt-FZD-LRP5/6 trimeric complex assembly, down-regulation of Frizzled-LRP5/6 complex assembly, negative regulation of Wnt-FZD-LRP5/6 trimeric complex assembly
Any process that stops, prevents or reduces the frequency, rate or extent of Wnt-Frizzled-LRP5/6 complex assembly. [GO_REF:0000058, GOC:bf, GOC:PARL…