Binding of __SP__ Khc [Khc_(Kinesin_heavy_chain_group)] protein(s) in 293 cells and a protein fragment ( 1 323 ) in __SP__ __NODE__ protein is greater than binding of __SP__ Khc [Khc_(Kinesin_heavy_chain_group)] protein(s) in 293 cells and a protein fragment ( 103 323 ) in __SP__ __NODE__ protein .