Table 1.

Analyte specific mass transitions and linear range for LC-MS/MS

Analyte	Precursor ion [m/z]	Product ion [m/z]	Linear range [pmol/sample]
AMP	347.9	136.0	0.18 – 200
ADP	427.9	135.9	0.09 – 200
ATP	507.9	135.9	0.09 – 200
GMP	363.9	152.0	0.09 – 200
GDP	444.0	151.9	0.09 – 200
GTP	524.1	152.0	0.39 – 200
IMP	348.9	139.9	0.09 – 200
IDP	429.0	137.0	0.09 – 200
ITP	508.8	136.9	0.09 – 200
cAMP	329.9	136.0	0.09 – 200
cGMP	345.9	134.9	0.09 – 200

Ions are characterized by their mass/charge [m/z] ratio.