下列结构中（）的微管蛋白是以三联管的形式存在。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30528' and id < 2465231 and id<>'2465231' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30528' and id > 2465231 and id<>'2465231' order by id asc limit 5