Assertion: microtubule | /r/HasProperty | sedimented onto cushions of brb80
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Source sentences:
text: ; we stopped the reaction by adding 2 volumes 160 mM PIPES, 2 mM MgCl 2 , 2 mM EGTA, 100 mM potassium glutamate and 40% v/v glycerol, and then microtubules were sedimented onto cushions of BRB80 supplemented with 60% glycerol.