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  Domain Name: Arl3
Arf-like 3 (Arl3) GTPase. Arl3 (Arf-like 3) is an Arf family protein that differs from most Arf family members in the N-terminal extension. In is inactive, GDP-bound form, the N-terminal extension forms an elongated loop that is hydrophobically anchored into the membrane surface; however, it has been proposed that this region might form a helix in the GTP-bound form. The delta subunit of the rod-specific cyclic GMP phosphodiesterase type 6 (PDEdelta) is an Arl3 effector. Arl3 binds microtubules in a regulated manner to alter specific aspects of cytokinesis via interactions with retinitis pigmentosa 2 (RP2). It has been proposed that RP2 functions in concert with Arl3 to link the cell membrane and the cytoskeleton in photoreceptors as part of the cell signaling or vesicular transport machinery. In mice, the absence of Arl3 is associated with abnormal epithelial cell proliferation and cyst formation.
No pairwise interactions are available for this conserved domain.

Total Mutations Found: 15
Total Disease Mutations Found: 2
This domain occurred 38 times on human genes (54 proteins).



  BARDET-BIEDL SYNDROME 3 (BBS3)
  WARBURG MICRO SYNDROME 3


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Range on the Protein:  

   Protein ID            Protein Position

Domain Position:  


Feature Name:Total Found:
GTP/Mg2+ binding site
putative effector interac
putative GEF interaction
putative GAP interaction
Switch I region
Switch II region
interswitch region
G1 box
G2 box
G3 box
G4 box
G5 box












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Please Cite: Peterson, T.A., Adadey, A., Santana-Cruz ,I., Sun, Y., Winder A, Kann, M.G., (2010) DMDM: Domain Mapping of Disease Mutations. Bioinformatics 26 (19), 2458-2459.

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