There is significant overlap in function with regards to some of these proteins.  In particular, the Rho-related genes are important in nuclear trafficking (i.e.: mitosis) as well as with mobility along the cytoskeleton in general.  These genes of particular interest in cancer research.
*ARHGAP35 
*ARHGAP5 
*ARHGDIA 
*ARHGEF10L Rho guanine nucleotide exchange factor 10L
*ARHGEF11 Rho guanine nucleotide exchange factor 11
*ARHGEF40 Rho guanine nucleotide exchange factor 40
*ARHGEF7 Rho guanine nucleotide exchange factor 7
*RAB10  NM_016131 The small GTPases Rab are key regulators of intracellular membrane trafficking, from the formation of transport vesicles to their fusion with membranes
*RAB11A  NM_004663
*RAB11B  NM_004218
*RAB14  NM_016322
*RAB18  NM_021252
*RAB1A  NM_004161 Homo sapiens RAB1A, member RAS oncogene family (RAB1A), mRNA
*RAB1B  NM_030981
*RAB21  NM_014999
*RAB22A  NM_020673
*RAB2A  NM_002858
*RAB2B  NM_001163380
*RAB3GAP1  NM_012233
*RAB3GAP2  NM_012414
*RAB40C  NM_021168
*RAB4A  NM_004578
*RAB5A  NM_004162
*RAB5B  NM_002865
*RAB5C  NM_004583
*RAB6A  NM_002868
*RAB7A  NM_004637
*RAB9A  NM_004251
*RABEP1  NM_004703
*RABEPK  NM_005833
*RABGEF1  NM_014504
*RABGGTA  NM_004581
*RABGGTB  NM_004582
*CENPB Centromere protein B
*CTBP1 Centromere protein T
*CCNB1IP1  NM_021178 E3 ubiquitin-protein ligase. Modulates cyclin B levels and participates in the regulation of cell cycle progression through the G2 phase
*CCNDBP1  NM_012142 May negatively regulate cell cycle progression
*CCNG1  NM_004060 May play a role in growth regulation
*CCNH  NM_001239 Involved in cell cycle control and in RNA transcription by RNA polymerase II. Its expression and activity are constant throughout the cell cycle
*CCNK  NM_001099402 Regulatory subunit of cyclin-dependent kinases that mediates phosphorylation of the  large subunit of RNA polymerase II
*CCNL1  NM_020307 Transcriptional regulator which participates in regulating the pre-mRNA splicing process
*CCNL2  NM_030937 Transcriptional regulator which participates in regulating the pre-mRNA splicing process. Also modulates the expression of critical apoptotic factor, leading to cell apoptosis.
*CCNY  NM_145012 Positive regulatory subunit of the cyclin-dependent kinases CDK14/PFTK1 and CDK16. Acts as a cell-cycle regulator of Wnt signaling pathway during G2/M phase
*PPP1CA  NM_002708 Protein phosphatase that associates with over 200 regulatory proteins to form highly specific holoenzymes which dephosphorylate hundreds of biological targets
*PPP1CC  NM_002710 
*PPP1R10  NM_002714 
*PPP1R11  NM_021959 Homo sapiens protein phosphatase 1, regulatory (inhibitor) subunit 11 (PPP1R11),
*PPP1R15B  NM_032833 
*PPP1R37  NM_019121 
*PPP1R7  NM_002712 
*PPP1R8  NM_002713 
*PPP2CA  NM_002715
*PPP2CB  NM_001009552 
*PPP2R1A  NM_014225  Negative regulator of growth and cell divisionHomo sapiens protein phosphatase 2 (formerly 2A), regulatory subunit A (PR 65),
*PPP2R2A  NM_002717 
*PPP2R2D  NM_018461 
*PPP2R3C  NM_017917 
*PPP2R4  NM_021131 
*PPP2R5A  NM_006243 
*PPP2R5B  NM_006244 
*PPP2R5C  NM_002719 
*PPP2R5D  NM_006245 
*PPP2R5E  NM_006246 
*PPP4C  NM_002720 
*PPP4R1  NM_005134 
*PPP4R2  NM_174907 
*PPP5C  NM_006247 
*PPP6C  NM_002721 
*PPP6R2  NM_014678 
*PPP6R3  NM_018312 
*RAD1Homo sapiens ribonuclease/angiogenin inhibitor (RNH), mRNA
*RAD17  NM_002869 Essential for sustained cell growth, maintenance of chromosomal stability, and ATR-dependent checkpoint activation upon DNA damage
*RAD23B  NM_002873
*RAD50  NM_005732
*RAD51C  NM_002874
*IST1  (locates to central dividing line of dividing cells)