nuclear pore complex


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nuclear pore complex

a nuclear pore and its approximately 50 associated proteins that regulate the transport of materials between the nucleus and the cytoplasm. Composed of cytoplasmic fibrils, cytoplasmic ring, central framework (middle ring), nuclear ring, nuclear basket, and distal ring; a molecular mass of ~125,000 mD. It has an eightfold symmetry and is anchored to the nuclear envelope by nuclear lamina.

nuclear pore complex

A collection of membrane-associated proteins that regulate the passage of large molecules between the cytoplasm and the cell nucleus.
See also: complex