Immunogen sequence: LKEAPVQDQG YKTLRLRENC VLSSSPNPFP EISRGEYLYT YDSQITDSEH NSSLVSQQTG SPGKQPGENS DCHRDSSQAI PITELTK Highest antigen sequence identity to the following orthologs: Mouse - 48%, Rat - 55%. Transcriptional repressor. May modulate BMP and TGF-