Movie shows that the nuclear pore complex is composed of protein-based substructures of various types???outer rings, inner rings, membrane rings, linker nucleoporins, and FG (phenylalanine-glycine) nucleoporins. Pore membrane is gray.
Credit: Created by Frank Alber
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Protein-based substructures???outer rings (yellow), inner rings (purple), membrane rings (brown), linker nucleoporins (green), and FG (phenylalanine-glycine) nucleoporins???make up the nuclear pore complex (center). Pore membrane is gray.