the molecular characteristics of sigma 1 components from nonphagocytic cells were similar to those of macrophage sigma 1 , as shown by their presence in the supernatant , after treatment of cytosol with ammonium sulfate at 37 % saturation , a molecular mass close to 30 to 52 kda and a similar behavior on hydrophobic interaction chromatography .
C0007634
cells
C1383501
cytosol