Table 6.

SILAC analysis of imatinib-treated EoL-1 cells


PSDB ID

pTyr sites

Peptide

Fold reduction, control/treated

Found in Bcr-Abl signature
Peptides that are less abundant after imatinib treatment     
    Adaptor/scaffold      
        Shc   427   ELFDDPSyVNVQNLDK   > 10   Yes* 
    Protein kinase      
        ERK2   187   VADPDHDHTGFLTEyVATR   > 10   No  
        FIP1L1   98   TGAPQYGSyGTAPVNLNIK   > 2   No  
        PDGFR-α   742   QADTTQyVPMLER   > 2   No  
        PDGFR-α   762   SLyDRPASYK   > 2   No  
        PDGFR-α   762, 768   SLyDRPASyK   > 10   No  
    Lipid kinase      
        PIK3CB   504, 505   KQPYyyPPFDK   > 10   No  
        PIK3R1   467   SREYDRLyEEYTR   > 2   No  
    Lipid phosphatase      
        SHIP   914   APPCSGSSITEIINPNyMGVGPFGPPMPLHVK   > 2   No  
        SHIP-2   986   NSFNNPAyYVLEGVPHQLLPPEPPSPAR   > 5   Yes* 
    Transcription factor      
        STAT5A   694   AVDGyVKPQIK   > 5   No  
        Other      No  
        Calmodulin   100   VFDKDGNGyISAAELR   > 2   No  
hnRNP-I   127   GQPIyIQFSNHK   > 2   No  
Peptide intensities remaining unchanged after imatinib treatment     
    Protein kinase      
        Cdc2   15   IGEGTyGVVYK   1.89   No  
        DYRK1A   321   IYQyIQSR   1.23   No  
        GSK3-β   216   GEPNVSyICSR   0.81   No  
        PRP4   849   LCDFGSASHVADNDITPyLVSR   0.96   No  
        Syk   323   QESTVSFNPyEPELAPWAADKGPQR   0.70   No  
    Lipid kinase      
        PIK3CD   485   SNPNTDSAAALLICLPEVAPHPVYyPALEK   1.39   No  
        PIK3CD   524   GSGELyEHEKDLVWK   1.20   No  
        PIK3R1   580   DQyLMWLTQK   1.12   No  
        PIK3R2   453   VYHQQyQD   1.72   No  
    Protein phosphatase      
        SHP-2   62   IQNTGDyYDLYGGEK   1.33   No  
        SHP-2   580   EDSARVyENVGLMQQQK   1.33   No  
    Other      
        PAG   317   SREEDPTLTEEEISAMySSVNKPGQLVNK   0.92   No  
        PAG   417   ENDyESISDLQQGR   0.61   No  
        PSMB6   59   TTTGSyIANR   1.25   No  
        THTP
 
30
 
LQELGGTLEyR
 
0.68
 
No
 

PSDB ID

pTyr sites

Peptide

Fold reduction, control/treated

Found in Bcr-Abl signature
Peptides that are less abundant after imatinib treatment     
    Adaptor/scaffold      
        Shc   427   ELFDDPSyVNVQNLDK   > 10   Yes* 
    Protein kinase      
        ERK2   187   VADPDHDHTGFLTEyVATR   > 10   No  
        FIP1L1   98   TGAPQYGSyGTAPVNLNIK   > 2   No  
        PDGFR-α   742   QADTTQyVPMLER   > 2   No  
        PDGFR-α   762   SLyDRPASYK   > 2   No  
        PDGFR-α   762, 768   SLyDRPASyK   > 10   No  
    Lipid kinase      
        PIK3CB   504, 505   KQPYyyPPFDK   > 10   No  
        PIK3R1   467   SREYDRLyEEYTR   > 2   No  
    Lipid phosphatase      
        SHIP   914   APPCSGSSITEIINPNyMGVGPFGPPMPLHVK   > 2   No  
        SHIP-2   986   NSFNNPAyYVLEGVPHQLLPPEPPSPAR   > 5   Yes* 
    Transcription factor      
        STAT5A   694   AVDGyVKPQIK   > 5   No  
        Other      No  
        Calmodulin   100   VFDKDGNGyISAAELR   > 2   No  
hnRNP-I   127   GQPIyIQFSNHK   > 2   No  
Peptide intensities remaining unchanged after imatinib treatment     
    Protein kinase      
        Cdc2   15   IGEGTyGVVYK   1.89   No  
        DYRK1A   321   IYQyIQSR   1.23   No  
        GSK3-β   216   GEPNVSyICSR   0.81   No  
        PRP4   849   LCDFGSASHVADNDITPyLVSR   0.96   No  
        Syk   323   QESTVSFNPyEPELAPWAADKGPQR   0.70   No  
    Lipid kinase      
        PIK3CD   485   SNPNTDSAAALLICLPEVAPHPVYyPALEK   1.39   No  
        PIK3CD   524   GSGELyEHEKDLVWK   1.20   No  
        PIK3R1   580   DQyLMWLTQK   1.12   No  
        PIK3R2   453   VYHQQyQD   1.72   No  
    Protein phosphatase      
        SHP-2   62   IQNTGDyYDLYGGEK   1.33   No  
        SHP-2   580   EDSARVyENVGLMQQQK   1.33   No  
    Other      
        PAG   317   SREEDPTLTEEEISAMySSVNKPGQLVNK   0.92   No  
        PAG   417   ENDyESISDLQQGR   0.61   No  
        PSMB6   59   TTTGSyIANR   1.25   No  
        THTP
 
30
 
LQELGGTLEyR
 
0.68
 
No
 
*

Peptides common to the Bcr-Abl signature.

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