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Docking view of Shikonin in the binding sites of PTP1B (PDB ID: 1AAX). On the left side is the stereo view of the docked complex-Shikonin and 1AAX, and on the right side are Shikonin-1AAX interactions presented in 2D. Diagrams are drawn in Discovery Studio, with hydrogenbonds shown as agreen dashed line. Protein structure residues are annotated with a 3-letter amino acid code, while Shikonin is presented in a ball-and-stick style.
