Ran-binding protein 17 (RANBP17)

Ran-binding protein 17 is a member of the importin-beta superfamily of nuclear transport receptors that facilitates the energy-dependent transport of proteins and large RNAs through the nuclear pore complex in eukaryotic cells. It interacts with basic helix-loop-helix transcription factors such as E12 and E47, enhancing their transcriptional activity and upregulating cell cycle regulators including p21. RANBP17 is important for nucleocytoplasmic transport, contributing to cell cycle regulation, cell proliferation, and neurodevelopmental processes. Recent studies show higher expression levels in cancer subtypes (notably head and neck squamous cell carcinoma with TP53 mutations) and suggest a possible role in tumor biology and neurodegenerative disease such as DYT1 dystonia (where it helps restore impaired nuclear transport in patient-derived neurons). The protein’s molecular mechanism is linked to its conserved importin-beta domain and CRM1-like regions that enable interactions with both RanGTP and various cargoes, mediating protein-protein and transcription factor interactions essential for cellular homeostasis.

Other names

RANBP17Ran-binding protein 17RBP17_HUMAN (protein identifier)

For hypothetical drugs: Modulation of nuclear transport activity; restoration of nucleocytoplasmic transport; inhibition/activation of cargo transit through nuclear pore complexes. Augmentation or restoration of transcription factor activity (such as E12 and MyoD).