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lüll Structure and mechanism for DNA lesion recognition Yang WCell Res 2008[Jan]; 18 (1): 184-97A fundamental question in DNA repair is how a lesion is detected when embedded in millions to billions of normal base pairs. Extensive structural and functional studies reveal atomic details of DNA repair protein and nucleic acid interactions. This review summarizes seemingly diverse structural motifs used in lesion recognition and suggests a general mechanism to recognize DNA lesion by the poor base stacking. After initial recognition of this shared structural feature of lesions, different DNA repair pathways use unique verification mechanisms to ensure correct lesion identification and removal.|*Nucleic Acid Conformation[MESH]|Base Pair Mismatch/*physiology[MESH]|Binding Sites[MESH]|DNA Damage/*physiology[MESH]|DNA Glycosylases/chemistry/metabolism[MESH]|DNA Repair Enzymes/*metabolism[MESH]|DNA Repair/genetics[MESH]|DNA Replication/genetics[MESH]|DNA-Binding Proteins/*metabolism[MESH]|DNA/*chemistry[MESH]|Humans[MESH]|Models, Biological[MESH]|Models, Molecular[MESH]|Protein Binding[MESH]|Protein Structure, Tertiary/physiology[MESH]|Transcription, Genetic/genetics[MESH] |