Models, Regulations, and Functions of Microtubule Severing by Katanin

Table 2

Katanin protein subunits p60 and p80 in different organisms.

Species	p60 length*	p80 length*	AAA region*	Walker A motif*	Walker B motif*	NCBI accession number
Homo sapiens	491	655	241–382	249–256	304–309	p60: AAC25114; p80: NP_005877
Xenopus laevis	486	351	238– 379	246–253	301–306	p60: AAD53310; p80: AAC25113
Arabidopsis thaliana	523	836	271–414	279–286	334–339	p60: AEE36390; p80: AED93167
Drosophila melanogaster	571	823	325–462	333–340	388–393	p60: AAF34687; p80: AAF34688
Caenorhabditis elegans	472	280	225–363	233–240	288–293	p60: AAA28109; p80: AAF62184

* All lengths and regions are given in aminoacid stretch length in the polypeptide/protein.