View source for 7brq


==Crystal structure of human FAM134B LIR fused to human GABARAP==
<StructureSection load='7brq' size='340' side='right'caption='[[7brq]], [[Resolution|resolution]] 1.40&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[7brq]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7BRQ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7BRQ 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]] 1.404&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=GOL:GLYCEROL'>GOL</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=7brq FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7brq OCA], [https://pdbe.org/7brq PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7brq RCSB], [https://www.ebi.ac.uk/pdbsum/7brq PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7brq ProSAT]</span></td></tr>
</table>
== Disease ==
[https://www.uniprot.org/uniprot/RETR1_HUMAN RETR1_HUMAN] Hereditary sensory and autonomic neuropathy type 2. The disease is caused by mutations affecting the gene represented in this entry.
== Function ==
[https://www.uniprot.org/uniprot/GBRAP_HUMAN GBRAP_HUMAN] May play a role in intracellular transport of GABA(A) receptors and its interaction with the cytoskeleton. Involved in apoptosis. Involved in autophagy (By similarity).<ref>PMID:15977068</ref> [https://www.uniprot.org/uniprot/RETR1_HUMAN RETR1_HUMAN] Endoplasmic reticulum-anchored autophagy receptor that mediates ER delivery into lysosomes through sequestration into autophagosomes (PubMed:26040720). Promotes membrane remodeling and ER scission via its membrane bending capacity and targets the fragments into autophagosomes via interaction with ATG8 family proteins (PubMed:26040720). Required for long-term survival of nociceptive and autonomic ganglion neurons (PubMed:19838196, PubMed:26040720).<ref>PMID:19838196</ref> <ref>PMID:26040720</ref> 
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== Publication Abstract from PubMed ==
The endoplasmic reticulum (ER) is selectively degraded by autophagy (ER-phagy) through proteins called ER-phagy receptors. In Saccharomyces cerevisiae, Atg40 acts as an ER-phagy receptor to sequester ER fragments into autophagosomes by binding Atg8 on forming autophagosomal membranes. During ER-phagy, parts of the ER are morphologically rearranged, fragmented, and loaded into autophagosomes, but the mechanism remains poorly understood. Here we find that Atg40 molecules assemble in the ER membrane concurrently with autophagosome formation via multivalent interaction with Atg8. Atg8-mediated super-assembly of Atg40 generates highly-curved ER regions, depending on its reticulon-like domain, and supports packing of these regions into autophagosomes. Moreover, tight binding of Atg40 to Atg8 is achieved by a short helix C-terminal to the Atg8-family interacting motif, and this feature is also observed for mammalian ER-phagy receptors. Thus, this study significantly advances our understanding of the mechanisms of ER-phagy and also provides insights into organelle fragmentation in selective autophagy of other organelles.

Super-assembly of ER-phagy receptor Atg40 induces local ER remodeling at contacts with forming autophagosomal membranes.,Mochida K, Yamasaki A, Matoba K, Kirisako H, Noda NN, Nakatogawa H Nat Commun. 2020 Jul 3;11(1):3306. doi: 10.1038/s41467-020-17163-y. PMID:32620754<ref>PMID:32620754</ref>

From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 7brq" style="background-color:#fffaf0;"></div>

==See Also==
*[[GABA receptor-associated protein 3D structures|GABA receptor-associated protein 3D structures]]
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Noda NN]]
[[Category: Yamasaki A]]