1.The structure of MT Protofilament(原纤维)consists of a,阝tubulin heterodimers 13 protofilaments form a cyclic structure Dynamic,polarity Three forms of microtubules:singlet,doublet,triplet B-tubulin g。 tubulin heterodimer (=microtubule subunit) protofilament 10 nm plus end 50nm minus end (A) a-tubulin (B) (C)microtubule 50nm This document is produced by trial version of Print2Flash.Visit www.print2flash.com for more information