Inhibitor von:
ACRV1, ACTR-IA, ACTR-IB, ACTR-IIA, BMP-2, BMP-3, BMP-4, BMP-7, BMP-9, BMP2, BMP2K, BMP2KL, BMP4, BMPR-IA, BMPR-IB, BMPR-II, Evx-2, GDF-1, GDF-10, GDF-3, GDF-5, GDF-6, GDF5OS, GSC2, IL-3Rβ, SCUBE2, Sm B/B′, Smad1, TBX22, TGFβ RIII, und VWC1.