**Biotin can interfere with some laboratory testing, this may cause results to be either falsely elevated or decreased
The paramagnetic probe, S-(1-oxyl-2,2,5,5-tetramethyl-2,5-dihydro-1H-pyrrol-3-yl)methyl methanesulfonothioate (MTSL), was used to label the cysteine residue 46 of p53 TAD 67 , where 300 M MTSL-labeled p53 TAD was added to 150 M 15 N-labeled FOXO4 FHD
The oral route of drug delivery is challenging for peptides because the GI tract is specifically designed to break down proteins and peptides into their constituent amino acids for absorption
While this is the correct form of the molecule for the body to use, the challenge lies in the journey from the mouth to the bloodstream
In: UpToDate, Barnes PJ, Dieffenback P, eds