CEF3 (SIIPSGPLK) is a peptide representing amino acids 13-21 of the M1 protein in the influenza A virus. The M1 protein is a versatile component of the influenza A virus, carrying out crucial structural and functional tasks throughout the virus's life cycle.
CEF19, Epstein-Barr Virus latent NA-3A (458-466), is a peptide epitope, YPLHEQHGM, representing residues 458-466 of the type 1 Epstein-Barr Virus (EBV) nuclear antigen 3A protein (B95.8 strain).