TY - RPRT TI - Transferrin receptor internalization sequence YXRF implicates a tight turn as the structural recognition motif for endocytosis. AU - J F Collawn AU - M Stangel AU - L A Kuhn AU - V Esekogwu AU - S Q Jing AU - I S Trowbridge AU - J A Tainer PY - 1990 DO - 10.1016/0092-8674(90)90509-d UR - https://pubmed.ncbi.nlm.nih.gov/2257624/ ID - 2257624 ER -