1otc | pdb_00001otc

THE O. NOVA TELOMERE END BINDING PROTEIN COMPLEXED WITH SINGLE STRAND DNA

spinqualitylabelsall models 1otc, resolution 2.80Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1otc is a 3 chain structure with sequence from Sterkiella nova. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Gene: MAC-56A (Sterkiella nova), MAC-41A (Sterkiella nova) Resources: FirstGlance, OCA, RCSB, PDBsum 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 Telomeres are specialized protein-DNA complexes that compose the ends of eukaryotic chromosomes. Telomeres protect chromosome termini from degradation and recombination and act together with telomerase to ensure complete genome replication. We have determined the crystal structure of the two-subunit Oxytricha nova telomere end binding protein (OnTEBP) complexed with single strand telomeric DNA at 2.8 A resolution. The structure reveals four oligonucleotide/oligosaccharide-binding folds, three of which form a deep cleft that binds the ssDNA, and a fourth that forms an unusual protein-protein interaction between the alpha and beta subunits. This structure provides a molecular description of how the two subunits of OnTEBP recognize and bind ssDNA to form a sequence-specific, telomeric nucleoprotein complex that caps the very 3' ends of chromosomes. Crystal structure of the Oxytricha nova telomere end binding protein complexed with single strand DNA.,Horvath MP, Schweiker VL, Bevilacqua JM, Ruggles JA, Schultz SC Cell. 1998 Dec 23;95(7):963-74. PMID:9875850 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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