The role of ring aggregates and other structures in the assembly of microtubules.
D000818:Animals; D001921:Brain / Q000502:physiology*; D002118:Calcium / Q000494:pharmacology; D002417:Cattle; D002850:Chromatography, Gel; D046911:Macromolecular Substances; D008854:Microscopy, Electron; D008870:Microtubules / Q000187:drug effects / Q000502:physiology* / Q000648:ultrastructure; D009419:Nerve Tissue Proteins / Q000302:isolation & purification / Q000378:metabolism*; D011485:Protein Binding; D013056:Spectrophotometry, Ultraviolet; D013696:Temperature; D013997:Time Factors; D014461:Ultracentrifugation
D046911:Macromolecular Substances; D009419:Nerve Tissue Proteins; D002118:Calcium