Description_x000D_ General description_x000D_ βγ-Methyleneguanosine 5′-triphosphate (GMPPCP, GppCp) is a non-hydrolyzable analog of GTP._x000D_ Application_x000D_ β,γ-Methyleneguanosine 5′-triphosphate sodium salt has been used as a GTP analog to complex with dynamin for cryo-electron microscopy studies. It has also been used to complex with Di-Ras1/Di-Ras2 and nucleotide exchange delivery studies._x000D_ Packaging_x000D_ 25 mg in poly bottle_x000D_ Biochem/physiol Actions_x000D_ βγ-Methyleneguanosine 5′-triphosphate (GMPPCP) is used in a variety of applications that involve GTP binding including GTP-activation, GTP-inhibition, GTP transport, GTP hydrolysis and GTP structure stabilization. GMPPCP is used to modulate and study G proteins involved in cell signaling, protein synthesis and other metabolic processes.