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We next measured the voltage dependence of activation of wild - type dSlo , in the presence or absence of Slob57 , at free Ca2 + concentrations ranging from 20 to 300 muM .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
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