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. 2007 Nov 9;94(7):2819–2831. doi: 10.1529/biophysj.107.104984

TABLE 2.

PCH analysis of Paxillin-EGFP

Adhesion Cytoplasm
ɛ1 (in c/s/m) 5,700 5,730
N1 4.57 5.61
ɛ2(in c/s/m) 122,240 68,480
N2 0.23 0.049
ɛ2/ɛ1 21.4 12
N2 (as % of total) 4.8 0.9

The PCH curves were Globally fitted to a two species model where the molecular brightness (ɛ) and number of molecules (N1 and N2) were allowed to vary. The percent number of molecules for the brighter species (N2) shows to be more abundant in the adhesions versus the cytosol.