### The First column are the experimental abundances extracted from the spectrum in Fig 1G. The second column corresponds to the theoretical abundances in the left panel of Fig. S15B, and the third column corresponds to the right panel. The mass spectrum underlying these abundances can be found in the folder for Figure 1.


Relative concentrations (1N1a2C:WT2): 0.3972:0.6028

0.1095	0.04533648	0.09541817
0	0.00515861 	0.00780276
0.1948	0.17860488	0.19417856
0	0.01691844	0.01585209
0.2322	0.29301463	0.23015085
0	0.02219059	0.01776005
0.2541	0.25623951	0.20010574
0	0.01455017	0.01350146
0.138	0.12597595	0.13301048
0	0.00476933	0.0069646
0.493	0.03301338	0.06485566
0	0.00062521	0.00198121
0.221	0.00360282	0.01841836