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. 2025 Apr 22;6(2):103786. doi: 10.1016/j.xpro.2025.103786

Table 4.

Metabolite specific MRM settings

Metabolite Parent ion mass Fragment ion mass CE (eV)
MS positive polarity MRM settings

Glutamine 147 130 6
Gln_13C_1 148 131 6
Gln_13C_2 149 132 6
Gln_13C_3 150 133 6
Gln_13C_4 151 134 6
Gln_13C_5 152 135 6
Glutamate 148 130 7
Glu_13C_1 149 131 7
Glu_13C_2 150 132 7
Glu_13C_3 151 133 7
Glu_13C_4 152 134 7
Glu_13C_5 153 135 7
Aspartate 134 74 15
Asp_13C_1 135 74 15
Asp_13C_2 136 74 15
Asp_13C_3 137 75 15
Asp_13C_4 138 76 15
Alanine 90 44 11
Ala_13C_1 91 45 11
Ala_13C_2 92 46 11
Ala_13C_3 93 46 11
AMP 348 136 21
AMP_13C_5 353.2 136 21
Serine 106 60 13
Ser_13C_1 107 61 13
Ser_13C_2 108 62 13
Ser_13C_3 109 62 13
GMP 364 152 18
GMP_13C_5 369.2 152 18

MS positive polarity MRM settings for derivatized samples

Pyruvate 299 181 15
Pyruvate_13C_1 300 181 15
Pyruvate_13C_2 301 181 15
Pyruvate_13C_3 302 181 15
Citrate 508 91.2 25
Citrate_13C_1 509 91.2 25
Citrate_13C_2 510 91.2 25
Citrate_13C_3 511 91.2 25
Citrate_13C_4 512 91.2 25
Citrate_13C_5 513 91.2 25
Citrate_13C_6 514 91.2 25
2-KG 462 91.2 25
2KG_13C_1 463 91.2 25
2KG_13C_2 464 91.2 25
2KG_13C_3 465 91.2 25
2KG_13C_4 466 91.2 25
2KG_13C_5 467 91.2 25
Succinate 329 206 15
Succinate_13C_1 330 207 15
Succinate_13C_2 331 208 15
Succinate_13C_3 332 209 15
Succinate_13C_4 333 210 15
Malate 345 91.2 33
Malate_13C_1 346 91.2 33
Malate_13C_2 347 91.2 33
Malate_13C_3 348 91.2 33
Malate_13C_4 349 91.2 33

MS negative polarity MRM settings

G6P 259.02 97 −20
G6P_13C_1 260.02 97 −20
G6P_13C_2 261.02 97 −20
G6P_13C_3 262.02 97 −20
G6P_13C_4 263.02 97 −20
G6P_13C_5 264.02 97 −20
G6P_13C_6 265.02 97 −20
F16BP 339 97 −20
F16BP_13C_6 345 97 −20
G3P 169 97 −20
G3P_13C_1 170 97 −20
G3P_13C_2 171 97 −20
G3P_13C_3 172 97 −20
3PG 185 97 −20
3PG_13C_1 186 97 −20
3PG_13C_2 187 97 −20
3PG_13C_3 188 97 −20
PEP 167 79 −12
PEP_13C_1 168 79 −12
PEP_13C_2 169 79 −12
PEP_13C_3 170 79 −12
6PG 275.02 97 −20
6PG_13C_1 276.02 97 −20
6PG_13C_2 277.02 97 −20
6PG_13C_3 278.02 97 −20
6PG_13C_4 279.02 97 −20
6PG_13C_5 280.02 97 −20
6PG_13C_6 281.02 97 −20
R5P 229.01 97 −20
R5P_13C_1 230.01 97 −20
R5P_13C_2 231.01 97 −20
R5P_13C_3 232.01 97 −20
R5P_13C_4 233.01 97 −20
R5P_13C_5 234.01 97 −20
S7P 289.03 97 −20
S7P_13C_1 290.03 97 −20
S7P_13C_2 291.03 97 −20
S7P_13C_3 292.03 97 −20
S7P_13C_4 293.03 97 −20
S7P_13C_5 294.03 97 −20
S7P_13C_6 295.03 97 −20
S7P_13C_7 296.03 97 −20
UDP-Glc 565 323 −25
UDP-Glc_13C_1 566 323 −25
UDP-Glc_13C_2 567 323 −25
UDP-Glc_13C_3 568 323 −25
UDP-Glc_13C_4 569 323 −25
UDP-Glc_13C_5 570 323 −25
UDP-Glc_13C_6 571 323 −25

Complete names of metabolites are now added in the table legends.

Parent and fragment ion masses and the collision energy for each of the metabolites are provided. AMP, adenosine monophosphate; GMP, guanosine monophosphate; 2-KG, 2-ketoglutarate; G6P, glucose-6-phosphate; F16BP, fructose-1,6-bisphosphate; G3P, glyceraldehyde-3-phosphate; 3PG, 3-phosphoglycerate; PEP, phosphoenolpyruvate; 6PG, 6-phosphogluconate; R5P, ribose-5-phosphate; S7P, sedoheptulose-7-phosphate; UDP-Glc, uridine diphosphate glucose.