Table A1.
Measured GC/MS metabolite fragments from Khairallah et al. (32)
Metabolite | Fragment (m/z) | Formula | C-atoms | Derivative |
---|---|---|---|---|
Citrate | 459 | C20H39O6Si3 | 1-2-3-4-5-6 | TBDMS* |
Citrate (OAC) | 332 | C13H26O5Si2N | 1-2-3-6 | TBDMS-methoxylamine |
Pyruvate | 274 | C11O3H24Si2N | 1-2-3 | TBDMS-hydroxylamine |
α-Ketoglutarate | 446 | C19O5H40Si3N | 1-2-3-4-5 | TBDMS-hydroxylamine |
Succinate | 289 | C12O4H25Si2 | 1-2-3-4 | TBDMS |
Fumarate | 287 | C12O4H23Si2 | 1-2-3-4 | TBDMS |
Malate | 419 | C18O5H39Si3 | 1-2-3-4 | TBDMS |
Molecular formula and “active carbon” information was used for inputs into the flux modeling software, Metran.
TBDMS: tert-butyldimethylsilyl, a common silylation group for GC/MS analysis.