Dear GO editors,
as described in PubMed=19273613 and PubMed=22855526, the product of
TPR/Mtor (Human/Drosophila) and other genes, are relocalized
to proteinaceous and static nuclear-derived spindle matrix structure
that embeds the microtubule spindle apparatus from pole to pole in
a microtubule-independent manner during mitosis.
I would suggest to create a new Cellular Component GO term.