8rsq

Crystal structure of marine actinobacteria clade rhodopsin (MAR) - human GTPase Arf1 (L8K,Q71L) chimera; Ground state

spinqualitylabelsall models 8rsq, resolution 2.30Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 8rsq is a 1 chain structure with sequence from Unclassified Actinomycetia. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 2.3Å Ligands: GDP, LFA, RET Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function ARF1_HUMAN GTP-binding protein that functions as an allosteric activator of the cholera toxin catalytic subunit, an ADP-ribosyltransferase. Involved in protein trafficking among different compartments. Modulates vesicle budding and uncoating within the Golgi complex. Deactivation induces the redistribution of the entire Golgi complex to the endoplasmic reticulum, suggesting a crucial role in protein trafficking. In its GTP-bound form, its triggers the association with coat proteins with the Golgi membrane. The hydrolysis of ARF1-bound GTP, which is mediated by ARFGAPs proteins, is required for dissociation of coat proteins from Golgi membranes and vesicles.

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