So in the case of a sparrogene, the cell will only modify the spare gene and attach that particular sugar molecule if the sequence around is a specific sequence. And these are the two sequences that the cell uses. So right next to the spargian, ASM asparagine, we have to have an arbitrary x, so an arbitrary amino acid where x cannot be proline. And right next to this arbitrary x, we have to have either threeline or serene. So only if the sequence is like these two sequences will that sparrogene actually be modified. On top of that, what also determines the amino acids where we modify is the actual structure of that protein and the cell that is actually carrying out that protein glycosylation process.