Protein | IC50 Activin A | IC50 GDF8 | [NaCl] for Main Peak Elution from Heparin Sepharose |
---|---|---|---|
nM | nM | M | |
FST315 | 2.2 | 10.8 | 0.65 |
FST-Fc | 0.35 | 0.60 | 0.65 |
FST-ΔHBS-Fc | 0.31 | 0.67 | 0.12 |
GDF, growth differentiation factor; FST-Fc, follistatin 315 murine IgG1 Fc fusion; FST-ΔHBS-Fc, follistatin 315 heparan sulfate binding deficient mutant murine IgG1 Fc fusion; FST315, human follistatin 315 isoform.