下列哪种酶不擎力卩DNA的切除修复过程（    ）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27517' and id < 2271343 and id<>'2271343' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27517' and id > 2271343 and id<>'2271343' order by id asc limit 5