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[ÇóÖú] ÇóÎÊÈçºÎÅäÖÆº¬4.5M MgCl2µÄPBSºÍº¬0.5M NaClµÄPBS

¸Õ²ÅÔÚÎÄÏ×Öп´µ½Á½ÖÖPBS£¬PBS containing 0.5 M NaCl ºÍPBS containing 4.5 M MgCl2£¬Çë½Ì¸÷λӦ¸ÃÈçºÎÅäÖÆÕâÁ½ÖÖPBS£¬Ð»Ð»¡£

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For purification of Stx2e, cell extract from 1 L of culture was
applied onto a 2-ml volume of D-galactose gel or TAR column
equilibrated with PBS containing 0.5 M NaCl. After washing the
column, bound protein was eluted with PBS containing 4.5 M
MgCl2, and 2 ml of each fraction was collected. The eluent was
pooled and dialyzed against PBS overnight, and the
precipitated products were removed by centrifugation.
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