Recombinant Human NXT1 protein

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

The NXT1 protein also known as NTX1 or nuclear export transporter factor 1 is an essential part of cellular machinery. It has a molecular weight of approximately 17 kDa. Expressed ubiquitously in human tissues NXT1 plays a significant role in nuclear transport processes. The protein forms a critical component of the nuclear export pathway primarily involved in the transport of RNA molecules between the nucleus and the cytoplasm. This function requires a complex interaction with nuclear export signals and other proteins involved in export mechanisms.

Biological function summary

NXT1 acts in coordination with exportin proteins as part of the nuclear export complex. It binds with the nuclear export receptor CRM1 to mediate the transport of RNA and proteins out of the nucleus. This interaction facilitates the shuttling of cargo molecules ensuring proper cellular function and gene expression regulation. By partnering with other export factors NXT1 helps maintain cellular homeostasis and is vital for proper cell cycle progression and signal transduction.

Pathways

Several transport and signaling pathways rely on NXT1's function. It plays a significant role in the nuclear export pathway ensuring the delivery of ribonucleoproteins and mRNA to the cytoplasm for translation. NXT1 interacts closely with other key proteins like CRM1 and RanGTP in this pathway emphasizing its role in cellular traffic control. Furthermore its involvement in the RNA processing pathway links it to broader regulatory networks essential for proper gene expression.

Defects in NXT1 functioning can lead to issues associated with disrupted RNA transport and gene regulation. Abnormalities in its pathway may contribute to the development of conditions like cancer where improper cell cycle regulation is observed. Additionally NXT1 dysfunction is linked to neurodegenerative disorders characterized by misregulated RNA export and protein synthesis. Connections with proteins such as CRM1 highlight the potential for targeted therapeutic approaches in addressing these ailments.