Activin A Receptor Type IB (ACVR1B) CytoSection TS406920P5 USD 1,174.00 4 Weeks Transient overexpression of ACVR1B, transcript variant 1, in HEK293T cells, FFPE control for IHC, ICC and ISH staining, 25 slides per pack Other Names ACTRIB; ACVRLK4; ALK4; SKR2 Accession Number NM_004302, NP_004293