Beta-Amyloid (11-42) - 1 mg

This is amino acids 11 to 42 fragment of beta-amyloid. This peptide was detected in Alzheimer disease brains within several principal beta-amyloid variants.

Pyroglutamyl (pGlu) peptides may spontaneously form when either Glutamine (Q) or Glutamic acid (E) is located at the sequence N-terminus. The conversion of Q or E to pGlu is a natural occurrence and in general it is believed that the hydrophobic γ-lactam ring of pGlu may play a role in peptide stability against gastrointestinal proteases. Pyroglutamyl peptides are therefore considered a normal subset of such peptides and are included as part of the peptide purity during HPLC analysis.

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