Table 4. Theoretical masses of PKM2 (see Supplementary file 2 for PKM2 sequence), FBP and PKM2 + FBP.

Molecule	Mass (Da)
PKM2 monomer	58218.2
PKM2 tetramer	232872.6
FBP	340.0
PKM2 tetramer + 1 FBP	233212.6
PKM2 tetramer + 2 FBP	233552.6
PKM2 tetramer + 3 FBP	233892.6
PKM2 tetramer + 4 FBP	234232.6