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FIGURE 2. Membrane binding studies. Scatchard analysis of [125I-Tyr3]octreotide binding on human B and myeloid cell lines: {diamond}, B-CLL (dissociation constant [Kd] = 0.8 nmol/L, n = 50 fmol/mg); {blacksquare}, APD cell line (Kd = 0.7 nmol/L, n = 40 fmol/mg); •, TMM cell line (Kd = 0.4 nmol/L, n = 100 fmol/mg); {blacktriangledown}, JY cell line (Kd = 0.4 nmol/L, n = 195 fmol/mg); {triangleup}, CC2B cell line (Kd = 0.8 nmol/L, n = 460 fmol/mg).