2oit

Crystal Structure of the N-terminal Domain of the Human Proto-oncogene Nup214/CAN

spinqualitylabelsall models 2oit, resolution 1.65Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2oit is a 1 chain structure with sequence from Human. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: MES Gene: NUP214 (HUMAN) Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Disease [NU214_HUMAN] Note=A chromosomal aberration involving NUP214 is found in a subset of acute myeloid leukemia (AML); also known as acute non-lymphocytic leukemia. Translocation t(6;9)(p23;q34) with DEK. It results in the formation of a DEK-CAN fusion gene. Note=A chromosomal aberration involving NUP214 is found in some cases of acute undifferentiated leukemia (AUL). Translocation t(6;9)(q21;q34.1) with SET. Function [NU214_HUMAN] May serve as a docking site in the receptor-mediated import of substrates across the nuclear pore complex. Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMed The mammalian nuclear pore complex (NPC) is an approximately 120-MDa proteinaceous assembly consisting of approximately 30 proteins and is the sole gate in the nuclear envelope. The human protooncogene Nup214 was first identified as a target for chromosomal translocation involved in leukemogenesis. Nup214 is located on the cytoplasmic face of the NPC and is implicated in anchoring the cytoplasmic filaments of the NPC and recruiting the RNA helicase Ddx19. Here, we present the crystal structure of the human Nup214 N-terminal domain at 1.65-A resolution. The structure reveals a seven-bladed beta-propeller followed by a 30-residue C-terminal extended peptide segment, which folds back onto the beta-propeller and binds to its bottom face. The beta-propeller repeats lack any recognizable sequence motif and are distinguished by extensive insertions between the canonical beta-strands. We propose a mechanism by which the C-terminal peptide extension is involved in NPC assembly. Crystal structure of the N-terminal domain of the human protooncogene Nup214/CAN.,Napetschnig J, Blobel G, Hoelz A Proc Natl Acad Sci U S A. 2007 Feb 6;104(6):1783-8. Epub 2007 Jan 30. PMID:17264208 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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