peptide identity
3 articles tagged with ‘peptide identity’
Identity Is the Test Almost Nobody Runs
Rearrange TB-500's seven residues and there are 1,260 arrangements that all weigh exactly the same. Purity gets reported constantly and identity almost never, so here is what each method can and cannot establish about whether a vial holds the sequence on the label.
BPC-157 10mg: Sequence, Analytical Identity and the Shape of the Literature
BPC-157 is a 15-residue synthetic peptide with no cysteine, methionine or tryptophan. Its sequence and registry data, what HPLC and mass spectrometry confirm on a lot, and why its published literature has to be read with its study design in view.
TB-500 and Thymosin Beta-4: Identity, Actin Binding and the State of the Literature
TB-500 is the seven-residue actin-binding fragment of thymosin beta-4, and the name is used elsewhere for three other molecules. How the certificate identifies the one in the vial, what G-actin sequestration means at the molecular level, and which parts of the literature carry retractions.
