与酶蛋白以共价键结合，不能用透析和超 滤的方法除去的是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30799' and id < 2480444 and id<>'2480444' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30799' and id > 2480444 and id<>'2480444' order by id asc limit 5