Overlay of the [IGF-I]-bound HybZip structure onto the single-liganded structures of the corresponding homodimer receptors
(A and E) Overlay of [IGF-I]-bound HybZip onto [IGF-I]-bound IGF-1R (PDB: 6PYH).
(B and F) Overlay of [IGF-I]-bound HybZip onto [IGF-II]-bound IGF-1R (closed-leg form; PDB: 6VWI).
(C and G) Overlay of [IGF-I]-bound HybZip onto [single-insulin]-bound IR (PDB: 6HN5).
(D and H) Overlay of [IGF-I]-bound HybZip onto insulin-bound IGF-1R (PDB: 6JK8).
In all panels, [IGF-I]-bound HybZip is displayed as colored ribbon, and the liganded homodimeric receptor is displayed as gray ribbon. Overlays are based on the common domain L1 (light blue surface).