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IQGAP2 IQGAP2 TRIO TRIO IQGAP1 IQGAP1 DOCK1 DOCK1 RAC3 RAC3 KALRN KALRN TIAM1 TIAM1 PARD6A PARD6A VAV1 VAV1 ARHGDIB ARHGDIB ARHGDIA ARHGDIA
"RAC3" - ras-related C3 botulinum toxin substrate 3 (rho family, small GTP binding protein Rac3) in Homo sapiens
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splice isoforms or post-translational modifications are collapsed, i.e. each node represents all the proteins produced by a single, protein-coding gene locus.
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protein of unknown 3D structure
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second shell of interactors
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Predicted Interactions
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RAC3ras-related C3 botulinum toxin substrate 3 (rho family, small GTP binding protein Rac3); Plasma membrane-associated small GTPase which cycles between an active GTP-bound and inactive GDP-bound state. In active state binds to a variety of effector proteins to regulate cellular responses, such as cell spreading and the formation of actin-based protusions including lamellipodia and membrane ruffles (192 aa)    
Predicted Functional Partners:
ARHGDIA
Rho GDP dissociation inhibitor (GDI) alpha; Regulates the GDP/GTP exchange reaction of the Rho proteins by inhibiting the dissociation of GDP from them, and the subsequent binding of GTP to them. In glioma cells, inhibits cell migration and invasion by mediating the signals of SEMA5A and PLXNB3 that lead to inactivation of RAC1 (By similarity) (204 aa)
      score_image score_image score_image score_image   0.999
TIAM1
T-cell lymphoma invasion and metastasis 1; Modulates the activity of RHO-like proteins and connects extracellular signals to cytoskeletal activities. Acts as a GDP- dissociation stimulator protein that stimulates the GDP-GTP exchange activity of RHO-like GTPases and activates them. Activates RAC1, CDC42, and to a lesser extent RHOA (1591 aa)
          score_image score_image   0.998
ARHGDIB
Rho GDP dissociation inhibitor (GDI) beta; Regulates the GDP/GTP exchange reaction of the Rho proteins by inhibiting the dissociation of GDP from them, and the subsequent binding of GTP to them (201 aa)
      score_image score_image score_image score_image   0.998
VAV1
vav 1 guanine nucleotide exchange factor; Couples tyrosine kinase signals with the activation of the Rho/Rac GTPases, thus leading to cell differentiation and/or proliferation (845 aa)
      score_image score_image score_image score_image   0.998
TRIO
trio Rho guanine nucleotide exchange factor; Promotes the exchange of GDP by GTP. Together with leukocyte antigen-related (LAR) protein, it could play a role in coordinating cell-matrix and cytoskeletal rearrangements necessary for cell migration and cell growth (3097 aa)
        score_image score_image score_image   0.998
IQGAP1
IQ motif containing GTPase activating protein 1; Binds to activated CDC42 but does not stimulate its GTPase activity. It associates with calmodulin. Could serve as an assembly scaffold for the organization of a multimolecular complex that would interface incoming signals to the reorganization of the actin cytoskeleton at the plasma membrane. May promote neurite outgrowth (1657 aa)
        score_image score_image score_image   0.998
KALRN
kalirin, RhoGEF kinase; Promotes the exchange of GDP by GTP. Activates specific Rho GTPase family members, thereby inducing various signaling mechanisms that regulate neuronal shape, growth, and plasticity, through their effects on the actin cytoskeleton. Induces lamellipodia independent of its GEF activity (1663 aa)
        score_image score_image score_image   0.997
PARD6A
par-6 partitioning defective 6 homolog alpha (C. elegans); Adapter protein involved in asymmetrical cell division and cell polarization processes. Probably involved in the formation of epithelial tight junctions. Association with PARD3 may prevent the interaction of PARD3 with F11R/JAM1, thereby preventing tight junction assembly. The PARD6-PARD3 complex links GTP-bound Rho small GTPases to atypical protein kinase C proteins (346 aa)
        score_image score_image score_image   0.996
DOCK1
dedicator of cytokinesis 1; Involved in cytoskeletal rearrangements required for phagocytosis of apoptotic cells and cell motility. Functions as a guanine nucleotide exchange factor (GEF), which activates Rac Rho small GTPases by exchanging bound GDP for free GTP. Its GEF activity may be enhanced by ELMO1 (1865 aa)
        score_image score_image score_image   0.996
IQGAP2
IQ motif containing GTPase activating protein 2; Binds to activated CDC42 and RAC1 but does not seem to stimulate their GTPase activity. Associates with calmodulin (1575 aa)
        score_image score_image score_image   0.995
Your Current Organism:
Homo sapiens
NCBI taxonomy Id: 9606
Other names: H. sapiens, Homo, Homo sapiens, human, man
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