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. Author manuscript; available in PMC: 2022 Oct 2.
Published in final edited form as: Toxicol Lett. 2020 Dec 5;338:67–77. doi: 10.1016/j.toxlet.2020.12.002

Table 2.

Parental ion and product ion for free peptide quantification and parameters in RapidFire-MS/MS method

Peptide Name Prec Ion MS1 Res Prod Ion MS2 Res Dwell (ms) Frag (V) CE (V) Cell Acc (V) Polarity
Cysteine 751.4 Unit 680.2 Unit 12 205 40 5 Positive
Cysteine 751.4 Unit 400.2 Unit 12 205 42 5 Positive
Cysteine 751.4 Unit 329.1 Unit 12 205 50 5 Positive
Alanine 719.4 Unit 648.2 Unit 12 205 40 5 Positive
Alanine 719.4 Unit 471.2 Unit 12 205 40 5 Positive
Alanine 719.4 Unit 329.1 Unit 12 205 48 5 Positive
Lysine 776.4 Unit 705.4 Unit 12 205 44 5 Positive
Lysine 776.4 Unit 400.2 Unit 12 205 45 5 Positive
Lysine 776.4 Unit 329.1 Unit 12 205 51 5 Positive

Abbreviations: Prec Ion: Precursor ion; Res: Resolution; Prod Ion: Product ion; Frag: Fragmentor; CE: Collision energy; Cell Acc: Cell accelerator.