A synthetic peptide for use as a blocking control in assays to test for specificity of PIK3 R4 antibody, Alternative Names: PIK3R4 control peptide, PIK3R4 antibody Blocking Peptide, Anti-PIK3R4 Blocking Peptide, Phosphoinositide-3-Kinase Regulatory Subunit 4 Blocking Peptide, MGC102700 Blocking Peptide, VPS15 Blocking Peptide, p150 Blocking Peptide, PIK3R4, PIKR4-3, PIKR4 3, PIKR4-3 Blocking Peptide, PIKR4 3 Blocking Peptide