Anti-Phospho-Smad1/5 (Ser463, 465) Polyclonal AntibodyTransforming growth factor-beta-signaling protein 1, Transforming growth factor beta signaling protein 1, TGF beta signaling protein 1, Spinal muscular atrophy distal with upper limb predominance, Smad1 5 (p-Ser463, 465), Smad1 5 (p-S463, 465), SMAD-1, Smad1, SMAD1, SMAD mothers against DPP homolog 1 Drosophila, SMAD family member 1, Sma and Mad related protein 1, p-Smad1 5 (Ser463, 465), p-Smad1 5 (S463, 465), Mothers against DPP homolog 1, Mothers against decapentaplegic homolog 1, Mad-related protein 1, MADR1, Madr 1, MADH1, MADH 1, Mad related protein 1, MAD mothers against decapentaplegic homolog 1, MAD homolog 1, JV41, JV4 1, JV 41, hSMAD1, hSMAD 1, DwfA, Dwarfin A, BSP1, BSP 1