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(A) The cocrystal structure of TS-II-224/gp120E (Clade A/E, Strain 93TH057, H375S). The N-terminal extension is shown in pale green; the CD4 binding footprint is shown in pale domain colors (PDB 4DKO). (B) The interactions of TS-II-224 within the Phe43 cavity (left) and orientation with respect to gp120Asp368 (right). (C) Virtual screening led to amino indane (+)-AWS-I-50.
