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Table 2 Subfamily distribution of kinesins from different organisms and comparison of the number of kinesins to the total number of genes.

From: Identification and phylogenetic analysis of Dictyostelium discoideum kinesin proteins

  Function* H. sapiens D. melanogaster C. elegans D. discoideum A. thaliana S. pombe S. cerevisae
Number of kinesin genes   45 24 20 13 62 9 6
N-1 (KHC) + 3 1 1 3 1 1  
N-2 (BimC/Eg5) ++ 2 1 1 1 4 1 2
N-3 (Unc104/Kif1) + 8 4 3 1    
N-4 (Osm3) + 4 3 3     
N-5 (Kif4) + / ++ 4 2 2 1 3   
N-6 (MKLP1) ++ 3 1 1 1 1 1  
N-7 (CENP-E) ++ 1 2   2 8   
N-8 (Kip3) + / ++ 4 2 1 1 2 2 1
N-9 (Kif12) +++ 1 1      
N-10 (Kif15) ++ 1   2   6   
N-11 (Kif26) +++ 2   1     
N-12 (Kif6) +++ 2       
N-13 (Kip2) ++       1 1
N-14 (Nack) +++      8   
N-15 (Kif7) +++ 1       
N-16 (Kid) ++ 1       
N-17 (Tbk5) +++      2   
M-1 (MCAK/Kif2) ++ 4 3 1 1 2   
M-2 (KATD) +++      12   
C-1 (NCD/Kar3) ++ 1 1   1 4 2 1
C-2 + 1       
C-3 +++ 1       
C-4 (KCBP) ++      1   
Not classified   1 3 4 1 8 1 1
Predicted number of genes   ~30000 13601 18424 ~11000 25498 4824 6241
Percentage of kinesins [%]   0.15 0.18 0.11 0.12 0.24 0.19 0.10
  1. * + = organelle transport; ++ mitosis; +++ unclear or unknown function.