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. Author manuscript; available in PMC: 2011 Feb 22.
Published in final edited form as: Angew Chem Int Ed Engl. 2010 Feb 22;49(9):1627–1630. doi: 10.1002/anie.200905244

Table 1.

MALDI-TOF MS analysis of peptides 1113 after incubation with ATP-ArN3 (3) and PKA, CK2, or Abl kinase.

Peptide substrate Kinase Conversion [%]a
Ac-LRRTSIIGT (11) PKA 86
RRREEETEEE (12) CK2 51
EAIYAAPFAKKK (13) Abl 78
a

Conversion was calculated on the basis of quantitative MS by comparison with phosphorylation with ATP (100%).