Assertion: macromolecule's structure | /r/MadeOf | hollow tube of protofilaments
Facets:
Source sentences:
text: The structure of these bacterial microtubules is similar to that of eukaryotic microtubules, consisting of a hollow tube of protofilaments assembled from heterodimers of bacterial tubulin A (BtubA) and bacterial tubulin B (BtubB).