能与MHC-II类分子相结合的分子是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32357' and id < 2571733 and id<>'2571733' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32357' and id > 2571733 and id<>'2571733' order by id asc limit 5