View source for 8rsq


==Crystal structure of marine actinobacteria clade rhodopsin (MAR) - human GTPase Arf1 (L8K,Q71L) chimera; Ground state==
<StructureSection load='8rsq' size='340' side='right'caption='[[8rsq]], [[Resolution|resolution]] 2.30&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[8rsq]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Unclassified_Actinomycetia Unclassified Actinomycetia]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=8RSQ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=8RSQ FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.3&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=GDP:GUANOSINE-5-DIPHOSPHATE'>GDP</scene>, <scene name='pdbligand=LFA:EICOSANE'>LFA</scene>, <scene name='pdbligand=RET:RETINAL'>RET</scene></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=8rsq FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=8rsq OCA], [https://pdbe.org/8rsq PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=8rsq RCSB], [https://www.ebi.ac.uk/pdbsum/8rsq PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=8rsq ProSAT]</span></td></tr>
</table>
== Function ==
[https://www.uniprot.org/uniprot/ARF1_HUMAN 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.
__TOC__
</StructureSection>
[[Category: Large Structures]]
[[Category: Unclassified Actinomycetia]]
[[Category: Astashkin R]]
[[Category: Bratanov D]]
[[Category: Bukhdruker S]]
[[Category: Gordeliy V]]
[[Category: Kovalev K]]