1udg | pdb_00001udg

THE STRUCTURAL BASIS OF SPECIFIC BASE EXCISION REPAIR BY URACIL-DNA GLYCOSYLASE

spinqualitylabelsall models 1udg, resolution 1.75Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1udg is a 1 chain structure with sequence from Viruses. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: SO4 Activity: Uridine nucleosidase, with EC number 3.2.2.3 Resources: FirstGlance, OCA, RCSB, PDBsum Function [UNG_HHV11] Excises uracil residues from the DNA which can arise as a result of misincorporation of dUMP residues by DNA polymerase or deamination of cytosine. Therefore may reduce deleterious uracil incorporation into the viral genome, particularly, in terminally differentiated neurons which lack DNA repair enzymes. 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 1.75-A crystal structure of the uracil-DNA glycosylase from herpes simplex virus type-1 reveals a new fold, distantly related to dinucleotide-binding proteins. Complexes with a trideoxynucleotide, and with uracil, define the DNA-binding site and allow a detailed understanding of the exquisitely specific recognition of uracil in DNA. The overall structure suggests binding models for elongated single- and double-stranded DNA substrates. Conserved residues close to the uracil-binding site suggest a catalytic mechanism for hydrolytic base excision. The structural basis of specific base-excision repair by uracil-DNA glycosylase.,Savva R, McAuley-Hecht K, Brown T, Pearl L Nature. 1995 Feb 9;373(6514):487-93. PMID:7845459 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also DNA glycosylase Uracil-DNA glycosylase

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