For example, 3 samples wild-type, 3 samples Fbw7 Knock Out were labeled by 6plex TMT - labels126,127,128 - wildtype; 129,130,131 - Fbw7 KO. In Maxquant under Type, we select, 'reporter ion MS2' and 6plex, but I don't see a place where we specify the channels for the ratio estimation.