A synthetic peptide for use as a blocking control in assays to test for specificity of GPT antibody, Alternative Names: GPT control peptide, GPT antibody Blocking Peptide, Anti-GPT Blocking Peptide, Glutamic-Pyruvate Transaminase Blocking Peptide, Alanine Aminotransferase Blocking Peptide, AAT1 Blocking Peptide, ALT1 Blocking Peptide, GPT1 Blocking Peptide