EE epitope - CAS 221216-83-7

EE epitope, a biologically active peptide, is a fragment (314 to 319 amino acids) of the middle T antigen from mouse polyomavirus and is frequently utilized as an epitope tag. Pyroglutamyl (pGlu) peptides, which can arise spontaneously at the N-terminus from either Glutamine (Q) or Glutamic acid (E), are recognized for potentially enhancing peptide stability through the hydrophobic γ-lactam ring of pGlu, particularly against gastrointestinal proteases. Such peptides, as a normal variant, are accounted for within peptide purity assessments during HPLC analysis.

221216-83-7

C34H50N6O12S2

798.92

C([C@@H](NC([C@H](CC1=CC=C(O)C=C1)NC([C@H](CCC(O)=O)N)=O)=O)CCSC)(=O)N2[C@H](C(N[C@H](C(N[C@@H](CCC(O)=O)C(O)=O)=O)CCSC)=O)CCC2

-20°C

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Peptide