[Glu1]-Fibrinopeptide B

Catalog Peptides / Catalog Peptides Gr / Peptides

RT

1570.7

This peptide is derived from fibrinopeptide B amino acid residues 1-14. It is used as a mass spec (MS) standard in proteomic research. - 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 ?-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.

No

12352202