tokens: Tctex-1 binding required the first 19 amino acids of Fyn and integrity of two lysine residues within this sequence that were previously shown to be important for Fyn interactions with the immunoreceptor tyrosine based activation motifs ( ITAMs ) of lymphocyte Ag receptors .
folded_tokens: tctex-1 binding require the first 19 amino acid of fyn and integrity of two lysine residue within this sequence that be previously show to be important for fyn interaction with the immunoreceptor tyrosine based activation motif ( itam ) of lymphocyte ag receptor .