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Table 2 PPP1R12B internal standard peptides

From: Insulin-stimulated phosphorylation of protein phosphatase 1 regulatory subunit 12B revealed by HPLC-ESI-MS/MS

Start Stop Peptide sequence Molecular weight (Da) Quantified ( m/z )*
282 303 LGQTPFDVADEGLVEHLELLQK 2451.2766 817.7637 (+3)
     1226.1419 (+2)
327 333 IQSGFFK 826.4458 413.7265 (+2)
     826.4458 (+1)
397 417 SSITEQIPAPAQNTFSASSAR 2163.0677 721.6941 (+3)
     1082.0375 (+2)
492 500 SYISSLAPR 993.5364 497.2718 (+2)
     993.5364 (+1)
515 522 ESAVNLVR 887.4945 444.2509 (+2)
     887.4945 (+1)
741 754 PSLYTSSHLLWTNR 1674.8598 558.9581 (+3)
     837.9336 (+2)
837 853 LESGGSNPTTSDSYGDR 1742.7464 871.8768 (+2)
966 975 LKDENGALIR 1128.6371 564.8222 (+2)
     1128.6371 (+1)
  1. * m/z, mass-to-charge ratio.
  2. Combined peak areas for the +1, +2, and +3 (when detected) charge states for each peptide were obtained by integration of the appropriate reconstructed ion chromatograms.