phpMs Demo Suite

MS Fragment Ion Generator

Generates the fragment ions for a specified sequence. You can generate for multiple sequence by seperating each sequence with a new line.

Modifications can be input using either a location or a residue, and a mass. Each modification should be seperated by a new line. Use [ and ] for N and C terminus.

PEPTIDE

Length: 7
Mass: 799.3600Da
Mass (Inc. Modifications): 879.3263Da
Formula: C34H53N7O15

Mass/Charge

Charge State Mass
1+880.3336
2+440.6704
3+294.1160
4+220.8389
5+176.8725

Fragments

  # a+ b+ c+ x+ y+ z+ #
P170.06512698.060040115.086589880.333571863.3070227
E2199.107719227.102633244.129183809.260072783.280808766.2542596
P3296.160483324.155397341.181946680.217479654.238215637.2116655
T4477.174492505.169407522.195956583.164715557.185451540.1589024
I5590.258556618.253471635.280020402.150706376.171441359.1448923
D6705.285499733.280414750.306963289.066642263.087377246.0608282
E7834.328092862.323007174.039699148.060434131.0338851