Assertion: centromere's amount | /r/CapableOf | lack all ccan subunits
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Source sentences:
text: [176,279,280,287, S. cerevisiae is viable and the absence of CENP-T does not significantly reduce the amount of Ndc80 recruited to kinetochores in this system [282, D. melanogaster and C. elegans , which lack all CCAN subunits with the exception of CENP-C (see D. melanogaster outer kinetochore [ S. pombe (Cnp20) unlike Cnn1 in S. cerevisiae , is essential for viability [