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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Rho small G-protein-dependent binding of mDia to an Src homology 3 domain-containing IRSp53/BAIAP2.

mDia1 is a downstream effector of Rho small G protein that is implicated in stress fiber formation and cytokinesis. We isolated an mDia1-binding protein and identified it to be IRSp53/BAIAP2. IRSp53 and BAIAP2 have independently been isolated as a 58/53-kDa protein tyrosine phosphorylated in response to insulin and a BAI1-binding protein, respectively. BAI1 is a brain-specific seven-span transmembrane protein capable of inhibiting angiogenesis. The proline-rich formin homology 1 domain of mDia1 bound the Src homology 3 domain of IRSp53/BAIAP2 in a GTP-Rho-dependent manner. The results suggest that IRSp53/BAIAP2 is a downstream effector of mDia1.[1]

References

  1. Rho small G-protein-dependent binding of mDia to an Src homology 3 domain-containing IRSp53/BAIAP2. Fujiwara, T., Mammoto, A., Kim, Y., Takai, Y. Biochem. Biophys. Res. Commun. (2000) [Pubmed]
 
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