2K4F:
reference: Regulation of T cell receptor activation by dynamic membrane binding of the CD3epsilon cytoplasmic tyrosine-based motif., Xu C, Gagnon E, Call ME, Schnell JR, Schwieters CD, Carman CV, Chou JJ, Wucherpfennig KW, Cell. 2008 Nov 14;135(4):702-13. PMID: 19013279

This OCA Structure page
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