Surprisingly , in both of archaebacteria and chloroplast , ftsz is the main component in the process of division but it is n ' t effective in mitochodria division , instead is a dynamin protein 此外ftsz还是一种400个残基的保守蛋白， ftsz与真核tubulin在结构、功能和进化上有一定的相似性及同源性，都具gtpase结构域，属于g蛋白家族。
