| 
      
        |  | Normal duct cells | CFPAC-1 cells |  
        | Total matched MS2 spectra | 3076 | 3011 |  
        | MS2 spectra matched to non-phosphopeptide (% total) | 523 (17%) | 482 (16%) |  
        | MS2 spectra matched to phosphopeptide (% total) | 2553 (83%) | 2529 (84%) |  
        | Total unique phosphopeptides | 1572 | 1665 |  
        | Total phosphoprotein | 736 | 707 |  |