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3n0u is a 3 chain structure with sequence from Thermotoga maritima. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
OGG1_THEMA Responsible for removing an oxidatively damaged form of guanine (7,8-dihydro-8-oxoguanine = 7-oxoG) from DNA. Also nicks DNA at apurinic/apyrimidinic sites (AP sites) (By similarity).