3ldn

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[[Image:3ldn.jpg|left|200px]]
 
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==Crystal structure of human GRP78 (70kDa heat shock protein 5 / BIP) ATPase domain in apo form==
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The line below this paragraph, containing "STRUCTURE_3ldn", creates the "Structure Box" on the page.
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<StructureSection load='3ldn' size='340' side='right'caption='[[3ldn]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[3ldn]] is a 2 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=3LDN OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3LDN FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.2&#8491;</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3ldn FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3ldn OCA], [https://pdbe.org/3ldn PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3ldn RCSB], [https://www.ebi.ac.uk/pdbsum/3ldn PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3ldn ProSAT]</span></td></tr>
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{{STRUCTURE_3ldn| PDB=3ldn | SCENE= }}
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</table>
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== Disease ==
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[https://www.uniprot.org/uniprot/BIP_HUMAN BIP_HUMAN] Autoantigen in rheumatoid arthritis.<ref>PMID:11160188</ref>
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== Function ==
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[https://www.uniprot.org/uniprot/BIP_HUMAN BIP_HUMAN] Endoplasmic reticulum chaperone that plays a key role in protein folding and quality control in the endoplasmic reticulum lumen (PubMed:2294010, PubMed:23769672, PubMed:23990668, PubMed:28332555). Involved in the correct folding of proteins and degradation of misfolded proteins via its interaction with DNAJC10/ERdj5, probably to facilitate the release of DNAJC10/ERdj5 from its substrate (By similarity). Acts as a key repressor of the ERN1/IRE1-mediated unfolded protein response (UPR) (PubMed:1550958, PubMed:19538957). In the unstressed endoplasmic reticulum, recruited by DNAJB9/ERdj4 to the luminal region of ERN1/IRE1, leading to disrupt the dimerization of ERN1/IRE1, thereby inactivating ERN1/IRE1 (By similarity). Accumulation of misfolded protein in the endoplasmic reticulum causes release of HSPA5/BiP from ERN1/IRE1, allowing homodimerization and subsequent activation of ERN1/IRE1 (By similarity). Plays an auxiliary role in post-translational transport of small presecretory proteins across endoplasmic reticulum (ER). May function as an allosteric modulator for SEC61 channel-forming translocon complex, likely cooperating with SEC62 to enable the productive insertion of these precursors into SEC61 channel. Appears to specifically regulate translocation of precursors having inhibitory residues in their mature region that weaken channel gating.[UniProtKB:G3I8R9][UniProtKB:P20029]<ref>PMID:1550958</ref> <ref>PMID:19538957</ref> <ref>PMID:2294010</ref> <ref>PMID:23769672</ref> <ref>PMID:23990668</ref> <ref>PMID:28332555</ref> <ref>PMID:29719251</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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78 kDa glucose-regulated protein (Grp78) is a heat shock protein (HSP) involved in protein folding that plays a role in cancer cell proliferation. Binding of adenosine-derived inhibitors to Grp78 was characterized by surface plasmon resonance and isothermal titration calorimetry. The most potent compounds were 13 (VER-155008) with K(D) = 80 nM and 14 with K(D) = 60 nM. X-ray crystal structures of Grp78 bound to ATP, ADPnP, and adenosine derivative 10 revealed differences in the binding site between Grp78 and homologous proteins.
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===Crystal structure of human GRP78 (70kDa heat shock protein 5 / BIP) ATPase domain in apo form===
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Adenosine-Derived Inhibitors of 78 kDa Glucose Regulated Protein (Grp78) ATPase: Insights into Isoform Selectivity.,Macias AT, Williamson DS, Allen N, Borgognoni J, Clay A, Daniels Z, Dokurno P, Drysdale MJ, Francis GL, Graham CJ, Howes R, Matassova N, Murray JB, Parsons R, Shaw T, Surgenor AE, Terry L, Wang Y, Wood M, Massey AJ J Med Chem. 2011 May 20. PMID:21526763<ref>PMID:21526763</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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<div class="pdbe-citations 3ldn" style="background-color:#fffaf0;"></div>
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==About this Structure==
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==See Also==
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[[3ldn]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3LDN OCA].
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*[[Heat Shock Protein structures|Heat Shock Protein structures]]
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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Dokurno, P.]]
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[[Category: Large Structures]]
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[[Category: Macias, A T.]]
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[[Category: Dokurno P]]
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[[Category: Massey, A J.]]
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[[Category: Macias AT]]
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[[Category: Shaw, T.]]
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[[Category: Massey AJ]]
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[[Category: Surgenor, A E.]]
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[[Category: Shaw T]]
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[[Category: Williamson, D S.]]
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[[Category: Surgenor AE]]
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[[Category: Williamson DS]]

Current revision

Crystal structure of human GRP78 (70kDa heat shock protein 5 / BIP) ATPase domain in apo form

PDB ID 3ldn

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