Peptide sequence: RNDVGGGGSE SQELVPRPGG NNKEKEVPAK EKPSFELSGA LLEDTNTFRG Sequence homology: Cow: 92%; Dog: 93%; Guinea Pig: 92%; Horse: 93%; Human: 100%; Mouse: 93%; Pig: 100%; Rabbit: 81%; Rat: 93%; Zebrafish: 82%. Smad-binding peptide aptamers can be d