Product Description: VTSEGAGLQLQK-13C6,15N2 (TFA) is the 13C- and 15N-labeled VTSEGAGLQLQK. VTSEGAGLQLQK is an amino acid sequence in the C-terminal region of recombinant human alpha-acid glucosidase (rhGAA), which can be used to bind anti-drug antibodies in plasma and quantitatively analyze the therapeutic effect[1][2].
Formula: C46 13C6H91N13 15N2O19.xC2HF3O2
References: [1]Bronsema KJ, et al. Absolute quantification of the total and antidrug antibody-bound concentrations of recombinant human α-glucosidase in human plasma using protein G extraction and LC-MS/MS. Anal Chem. 2015 Apr 21;87(8):4394-401.