酶原激活最主要的变化是酶活性中心的形成或暴露。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30921' and id < 2488496 and id<>'2488496' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30921' and id > 2488496 and id<>'2488496' order by id asc limit 5