Before revision: Identification and quantification of TMT-labeled peptides The structures of TMT tags are publicly available through the unimod database at unimod.org and hence, mass spectrometry software such as Mascot are able to account for the tag masses.
After revision: Quantification of labeled peptides The structures of TMT tags are publicly available through the unimod database at unimod.org and hence, mass spectrometry software such as Mascot are able to account for the tag masses.