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Figure 4
Alignment of δ-MHD and μ2AP2 MHDs. The μ2AP2 MHDs from the closed AP2 complex (PDB entry 2vgl ) and the open complex (PDB entry 2xa7 ) and the coatomer δ-MHD were superimposed on all homologous Cα atoms and then shifted without rotation for clearer viewing. The proteins are coloured identically from the N-terminus (blue) to the C-terminus (red). Black circles indicate a variable loop (residues 374–384 according to the 2vgl structure numbering) that becomes compressed and structured in the δ-MHD structure. |