9bs2 | pdb_00009bs2

Glycosylase MutY variant R149Q in complex with DNA containing d(8-oxo-G) paired with a product analog (THF) to 1.51 A resolution

spinqualitylabelsall models 9bs2, resolution 1.51Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 9bs2 is a 3 chain structure with sequence from Geobacillus stearothermophilus and Synthetic construct. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 1.51Å Ligands: 3DR, 8OG, ACY, CA Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function MUTY_GEOSE Base excision repair (BER) glycosylase that initiates repair of A:oxoG to C:G by removing the inappropriately paired adenine base from the DNA backbone, generating an abasic site product (PubMed:25995449) (PubMed:14961129). 8-oxoguanine (oxoG) is a genotoxic DNA lesion resulting from oxidation of guanine; this residue is misread by replicative DNA polymerases, that insert adenine instead of cytosine opposite the oxidized damaged base. Shows a powerful dicrimination of A versus C, since it does not cleave cytosine in oxoG:C pairs (PubMed:25995449). May also be able to remove adenine from A:G mispairs, although this activity may not be physiologically relevant (PubMed:14961129).

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