Structural highlights 
  Function 
[KI21A_MOUSE] Microtubule-binding motor protein probably involved in neuronal axonal transport. In vitro, has a plus-end directed motor activity.[1]  
  References 
- ↑ Marszalek JR, Weiner JA, Farlow SJ, Chun J, Goldstein LS. Novel dendritic kinesin sorting identified by different process targeting of two  related kinesins: KIF21A and KIF21B. J Cell Biol. 1999 May 3;145(3):469-79. PMID:10225949