PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 17363596-3 2007 Expression of dominant-negative Smad1, in which serines at the COOH-terminal SSVS motif are converted to alanines, suppressed MIS-induced Smad1 phosphorylation and impaired MIS-stimulated Gro-beta promoter-driven reporter expression and Gro-beta mRNA. Alanine 105-113 SMAD family member 1 Homo sapiens 32-37