1pzd

From Proteopedia

(Difference between revisions)

Revision as of 09:05, 12 October 2017

Structural Identification of a conserved appendage domain in the carboxyl-terminus of the COPI gamma-subunit.

Structural highlights

1pzd is a 1 chain structure with sequence from Bovin. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:
Gene:	COPG (BOVIN)
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

[COPG1_BOVIN] The coatomer is a cytosolic protein complex that binds to dilysine motifs and reversibly associates with Golgi non-clathrin-coated vesicles, which further mediate biosynthetic protein transport from the ER, via the Golgi up to the trans Golgi network. Coatomer complex is required for budding from Golgi membranes, and is essential for the retrograde Golgi-to-ER transport of dilysine-tagged proteins. In mammals, the coatomer can only be recruited by membranes associated to ADP-ribosylation factors (ARFs), which are small GTP-binding proteins; the complex also influences the Golgi structural integrity, as well as the processing, activity, and endocytic recycling of LDL receptors. Required for limiting lipid storage in lipid droplets. Involved in lipid homeostasis by regulating the presence of perilipin family members PLIN2 and PLIN3 at the lipid droplet surface and promoting the association of adipocyte triglyceride lipase (PNPLA2) with the lipid droplet surface to mediate lipolysis (By similarity).

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

Publication Abstract from PubMed

The formation of coated vesicles is a fundamental step in many intracellular trafficking pathways. COPI and clathrin represent two important and distinct sets of vesicle coating machinery, involved primarily in mediating intra-Golgi and endocytic transport, respectively. Here we identify an important functional region at the carboxyl terminus of the gamma subunit of the COPI complex (gammaCOP) and describe the X-ray crystal structure of this domain at 2.3 A resolution. This domain of gammaCOP exhibits unexpected structural similarity to the carboxyl-terminal appendage domains of the alpha and beta subunits of the AP2 adaptor proteins, integral components of clathrin-coated vesicles. The remarkable structural conservation exhibited by the gammaCOP appendage domain, coupled with functional data and primary sequence analysis, supports a model of COPI function with significant structural and mechanistic parallels to vesicular transport by the clathrin/AP2 system.

Conserved structural motifs in intracellular trafficking pathways: structure of the gammaCOP appendage domain.,Hoffman GR, Rahl PB, Collins RN, Cerione RA Mol Cell. 2003 Sep;12(3):615-25. PMID:14527408^[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

References

↑ Hoffman GR, Rahl PB, Collins RN, Cerione RA. Conserved structural motifs in intracellular trafficking pathways: structure of the gammaCOP appendage domain. Mol Cell. 2003 Sep;12(3):615-25. PMID:14527408

1 Structural highlights
2 Function
3 Evolutionary Conservation
4 Publication Abstract from PubMed
5 References

Proteopedia Page Contributors and Editors (what is this?)

OCA

Retrieved from "http://52.214.119.220/wiki/index.php/1pzd"

@@ Line 1: / Line 1: @@
 ==Structural Identification of a conserved appendage domain in the carboxyl-terminus of the COPI gamma-subunit.==
 <StructureSection load='1pzd' size='340' side='right' caption='[[1pzd]], [[Resolution|resolution]] 2.31&Aring;' scene=''>
@@ Line 5: / Line 6: @@
 </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>
 <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">COPG ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9913 BOVIN])</td></tr>
-<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1pzd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1pzd OCA], [http://pdbe.org/1pzd PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1pzd RCSB], [http://www.ebi.ac.uk/pdbsum/1pzd PDBsum]</span></td></tr>
+<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1pzd FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1pzd OCA], [http://pdbe.org/1pzd PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1pzd RCSB], [http://www.ebi.ac.uk/pdbsum/1pzd PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=1pzd ProSAT]</span></td></tr>
 </table>
 == Function ==

1pzd

From Proteopedia

Revision as of 09:05, 12 October 2017

Structural Identification of a conserved appendage domain in the carboxyl-terminus of the COPI gamma-subunit.

Structural highlights

Function

Evolutionary Conservation

Publication Abstract from PubMed

References

Contents

Proteopedia Page Contributors and Editors (what is this?)

Views

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