An overview of the display and functionalities of the GMOseek excel application. The GMOseek matrix contains is a tabulated database with associated macros that permit an easy search of information. The Figure 1 present an overview of some functionalities present in the GMOseek matrix. A. Color code indicating the frequency of occurrence of elements in events in the whole database (red ≥30%, orange between 29 and 10%, yellow between 9% and 5%, pale yellow between 4% and 2%, uncoloured cells ≤ 2%), B. Click on the button to see all screening elements or only the most representative ones, C. Row where data on presence or absence (1 or 0) per parameter can be indicated, D. Drop down menu in the first five columns, E. Location of the sorting button (no longer visible once the search are displayed), F. Extra rows to activate if several profiles are introduced, G. Frequency of occurrence of the screening elements in the results of the selection, H. For comparison, enter new parameters and click on comparison, I. Direct access to the data concerning plant targets, J. Reset before a new search, K. Hide results with 0% frequency, L. Black columns separate sections (e.g. promoters, terminators,…) and give the amount of elements within this section, M. Results of the search. A complete description of the functionalities is present in the user manual.