Download MendeleyThe 4 A X-ray structure of a tubulin:stathmin-like domain complex.
Gigant, B., Curmi, P.A., Martin-Barbey, C., Charbaut, E., Lachkar, S., Lebeau, L., Siavoshian, S., Sobel, A., Knossow, M.(2000) Cell 102: 809-816
- PubMed: 11030624
- DOI: https://doi.org/10.1016/s0092-8674(00)00069-6
- Primary Citation of Related Structures:
1FFX - PubMed Abstract:
Phosphoproteins of the stathmin family interact with the alphabeta tubulin heterodimer (tubulin) and hence interfere with microtubule dynamics. The structure of the complex of GDP-tubulin with the stathmin-like domain of the neural protein RB3 reveals a head-to-tail assembly of two tubulins with a 91-residue RB3 alpha helix in which each copy of an internal duplicated sequence interacts with a different tubulin. As a result of the relative orientations adopted by tubulins and by their alpha and beta subunits, the tubulin:RB3 complex forms a curved structure. The RB3 helix thus most likely prevents incorporation of tubulin into microtubules by holding it in an assembly with a curvature very similar to that of the depolymerization products of microtubules.
Organizational Affiliation:
Laboratoire d'Enzymologie et Biochimie Structurales CNRS UPR 9063, Gif sur Yvette, France.
