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“The sensitivity of protoplasm and its response to stimulation are believed to be due to a sensitivity to free calcium ion and it is believed that the freeing of calcium and the reaction of this calcium with the protoplasm inside the cell is the most basic of all protoplasmic reactions”. Lewis Victor Heilbrunn, An Outline of General Physiology (1943)
Y Y PH EF X PH* SH2 SH2 SH3 PH* Y C2 775 783 Structure of PLCg1
PLC-YFP Overlay LAT-CFP Braiman et al., EMBO J., 2006
SH2N SH3 SH2C LAT PLC Gads Vav c-Cbl Grb2 Vav Slp76 Itk Braiman A. et al., EMBO J., 2006