NUP98

NUP98

NUP98

Protein-coding gene in the species Homo sapiens


Nuclear pore complex protein Nup98-Nup96 is a protein that in humans is encoded by the NUP98 gene.[5]

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Function

Signal-mediated nuclear import and export proceed through the nuclear pore complex (NPC), which is composed of approximately 30 unique proteins collectively known as nucleoporins. The 98 kD nucleoporin is generated through a biogenesis pathway that involves synthesis and proteolytic cleavage of a 186 kD precursor protein. This cleavage results in the 98 kD nucleoporin as well as a 96 kD nucleoporin, both of which are localized to the nucleoplasmic side of the NPC. Rat studies show that the 98 kD nucleoporin functions as one of several docking site nucleoporins of transport substrates. The human gene has been shown to fuse to several genes following chromosome translocations in acute myelogenous leukemia (AML) and T-cell acute lymphocytic leukemia (T-ALL). This gene is one of several genes located in the imprinted gene domain of 11p15.5, an important tumor-suppressor gene region. Alterations in this region have been associated with the Beckwith-Wiedemann syndrome, Wilms tumor, rhabdomyosarcoma, adrenocortical carcinoma, and lung, ovarian, and breast cancer. Alternative splicing of this gene results in several transcript variants; however, not all variants have been fully described.[6]

Interactions

NUP98 has been shown to interact with:


References

  1. "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  2. "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
  3. Kasper LH, Brindle PK, Schnabel CA, Pritchard CE, Cleary ML, van Deursen JM (January 1999). "CREB binding protein interacts with nucleoporin-specific FG repeats that activate transcription and mediate NUP98-HOXA9 oncogenicity". Mol. Cell. Biol. 19 (1): 764–76. doi:10.1128/mcb.19.1.764. PMC 83933. PMID 9858599.
  4. Bonifaci N, Moroianu J, Radu A, Blobel G (May 1997). "Karyopherin beta2 mediates nuclear import of a mRNA binding protein". Proc. Natl. Acad. Sci. U.S.A. 94 (10): 5055–60. Bibcode:1997PNAS...94.5055B. doi:10.1073/pnas.94.10.5055. PMC 24630. PMID 9144189.

Further reading


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