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<table><tr><td colspan='2'>[[8btk]] is a 10 chain structure with sequence from [https://en.wikipedia.org/wiki/Oryctolagus_cuniculus Oryctolagus cuniculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=8BTK OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=8BTK FirstGlance]. <br>
<table><tr><td colspan='2'>[[8btk]] is a 10 chain structure with sequence from [https://en.wikipedia.org/wiki/Oryctolagus_cuniculus Oryctolagus cuniculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=8BTK OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=8BTK FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 3.5&#8491;</td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 3.5&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=1MA:6-HYDRO-1-METHYLADENOSINE-5-MONOPHOSPHATE'>1MA</scene>, <scene name='pdbligand=4AC:N(4)-ACETYLCYTIDINE-5-MONOPHOSPHATE'>4AC</scene>, <scene name='pdbligand=5F0:(3~{S})-3-azanyl-4-methoxy-4-oxidanylidene-butanoic+acid'>5F0</scene>, <scene name='pdbligand=5MC:5-METHYLCYTIDINE-5-MONOPHOSPHATE'>5MC</scene>, <scene name='pdbligand=5MU:5-METHYLURIDINE+5-MONOPHOSPHATE'>5MU</scene>, <scene name='pdbligand=6MZ:N6-METHYLADENOSINE-5-MONOPHOSPHATE'>6MZ</scene>, <scene name='pdbligand=A2M:2-O-METHYLADENOSINE+5-(DIHYDROGEN+PHOSPHATE)'>A2M</scene>, <scene name='pdbligand=AAC:ACETYLAMINO-ACETIC+ACID'>AAC</scene>, <scene name='pdbligand=AME:N-ACETYLMETHIONINE'>AME</scene>, <scene name='pdbligand=AYA:N-ACETYLALANINE'>AYA</scene>, <scene name='pdbligand=B8N:(2~{R})-2-azanyl-4-[5-[(2~{S},3~{R},4~{S},5~{R})-3,4-bis(oxidanyl)-5-(phosphonooxymethyl)oxolan-2-yl]-3-methyl-2,6-bis(oxidanylidene)pyrimidin-1-yl]butanoic+acid'>B8N</scene>, <scene name='pdbligand=G7M:N7-METHYL-GUANOSINE-5-MONOPHOSPHATE'>G7M</scene>, <scene name='pdbligand=GTP:GUANOSINE-5-TRIPHOSPHATE'>GTP</scene>, <scene name='pdbligand=HIC:4-METHYL-HISTIDINE'>HIC</scene>, <scene name='pdbligand=HY3:3-HYDROXYPROLINE'>HY3</scene>, <scene name='pdbligand=M3L:N-TRIMETHYLLYSINE'>M3L</scene>, <scene name='pdbligand=MA6:6N-DIMETHYLADENOSINE-5-MONOPHOSHATE'>MA6</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=MLZ:N-METHYL-LYSINE'>MLZ</scene>, <scene name='pdbligand=NMM:(2S)-2-AMINO-5-[(N-METHYLCARBAMIMIDOYL)AMINO]PENTANOIC+ACID'>NMM</scene>, <scene name='pdbligand=OMC:O2-METHYLYCYTIDINE-5-MONOPHOSPHATE'>OMC</scene>, <scene name='pdbligand=OMG:O2-METHYLGUANOSINE-5-MONOPHOSPHATE'>OMG</scene>, <scene name='pdbligand=OMU:O2-METHYLURIDINE+5-MONOPHOSPHATE'>OMU</scene>, <scene name='pdbligand=PSU:PSEUDOURIDINE-5-MONOPHOSPHATE'>PSU</scene>, <scene name='pdbligand=SAC:N-ACETYL-SERINE'>SAC</scene>, <scene name='pdbligand=SPD:SPERMIDINE'>SPD</scene>, <scene name='pdbligand=SPM:SPERMINE'>SPM</scene>, <scene name='pdbligand=UR3:3-METHYLURIDINE-5-MONOPHOSHATE'>UR3</scene>, <scene name='pdbligand=UY1:2-O-methylpseudouridine-5-monophosphate'>UY1</scene>, <scene name='pdbligand=V5N:(2S,3S)-2-azanyl-3-(1H-imidazol-5-yl)-3-oxidanyl-propanoic+acid'>V5N</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=1MA:6-HYDRO-1-METHYLADENOSINE-5-MONOPHOSPHATE'>1MA</scene>, <scene name='pdbligand=4AC:N(4)-ACETYLCYTIDINE-5-MONOPHOSPHATE'>4AC</scene>, <scene name='pdbligand=5F0:(3~{S})-3-azanyl-4-methoxy-4-oxidanylidene-butanoic+acid'>5F0</scene>, <scene name='pdbligand=5MC:5-METHYLCYTIDINE-5-MONOPHOSPHATE'>5MC</scene>, <scene name='pdbligand=5MU:5-METHYLURIDINE+5-MONOPHOSPHATE'>5MU</scene>, <scene name='pdbligand=6MZ:N6-METHYLADENOSINE-5-MONOPHOSPHATE'>6MZ</scene>, <scene name='pdbligand=A2M:2-O-METHYLADENOSINE+5-(DIHYDROGEN+PHOSPHATE)'>A2M</scene>, <scene name='pdbligand=AAC:ACETYLAMINO-ACETIC+ACID'>AAC</scene>, <scene name='pdbligand=AME:N-ACETYLMETHIONINE'>AME</scene>, <scene name='pdbligand=AYA:N-ACETYLALANINE'>AYA</scene>, <scene name='pdbligand=B8N:(2~{R})-2-azanyl-4-[5-[(2~{S},3~{R},4~{S},5~{R})-3,4-bis(oxidanyl)-5-(phosphonooxymethyl)oxolan-2-yl]-3-methyl-2,6-bis(oxidanylidene)pyrimidin-1-yl]butanoic+acid'>B8N</scene>, <scene name='pdbligand=G7M:N7-METHYL-GUANOSINE-5-MONOPHOSPHATE'>G7M</scene>, <scene name='pdbligand=GTP:GUANOSINE-5-TRIPHOSPHATE'>GTP</scene>, <scene name='pdbligand=HIC:4-METHYL-HISTIDINE'>HIC</scene>, <scene name='pdbligand=HY3:3-HYDROXYPROLINE'>HY3</scene>, <scene name='pdbligand=M3L:N-TRIMETHYLLYSINE'>M3L</scene>, <scene name='pdbligand=MA6:6N-DIMETHYLADENOSINE-5-MONOPHOSHATE'>MA6</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=MLZ:N-METHYL-LYSINE'>MLZ</scene>, <scene name='pdbligand=NMM:(2S)-2-AMINO-5-[(N-METHYLCARBAMIMIDOYL)AMINO]PENTANOIC+ACID'>NMM</scene>, <scene name='pdbligand=OMC:O2-METHYLYCYTIDINE-5-MONOPHOSPHATE'>OMC</scene>, <scene name='pdbligand=OMG:O2-METHYLGUANOSINE-5-MONOPHOSPHATE'>OMG</scene>, <scene name='pdbligand=OMU:O2-METHYLURIDINE+5-MONOPHOSPHATE'>OMU</scene>, <scene name='pdbligand=PSU:PSEUDOURIDINE-5-MONOPHOSPHATE'>PSU</scene>, <scene name='pdbligand=SAC:N-ACETYL-SERINE'>SAC</scene>, <scene name='pdbligand=SPD:SPERMIDINE'>SPD</scene>, <scene name='pdbligand=SPM:SPERMINE'>SPM</scene>, <scene name='pdbligand=UR3:3-METHYLURIDINE-5-MONOPHOSHATE'>UR3</scene>, <scene name='pdbligand=UY1:[(2~{R},3~{R},4~{R},5~{S})-5-[2,4-bis(oxidanylidene)-1~{H}-pyrimidin-5-yl]-4-methoxy-3-oxidanyl-oxolan-2-yl]methyl+dihydrogen+phosphate'>UY1</scene>, <scene name='pdbligand=V5N:(2~{S},3~{S})-2-azanyl-3-(1~{H}-imidazol-5-yl)-3-oxidanyl-propanoic+acid'>V5N</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</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=8btk FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=8btk OCA], [https://pdbe.org/8btk PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=8btk RCSB], [https://www.ebi.ac.uk/pdbsum/8btk PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=8btk ProSAT]</span></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=8btk FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=8btk OCA], [https://pdbe.org/8btk PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=8btk RCSB], [https://www.ebi.ac.uk/pdbsum/8btk PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=8btk ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[https://www.uniprot.org/uniprot/A0A5F9C4D3_RABIT A0A5F9C4D3_RABIT] [https://www.uniprot.org/uniprot/A0A5F9D5B2_RABIT A0A5F9D5B2_RABIT]  
[https://www.uniprot.org/uniprot/A0A5F9C4D3_RABIT A0A5F9C4D3_RABIT] [https://www.uniprot.org/uniprot/A0A5F9D5B2_RABIT A0A5F9D5B2_RABIT]  
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
The translocon-associated protein (TRAP) complex resides in the endoplasmic reticulum (ER) membrane and interacts with the Sec translocon and the ribosome to facilitate biogenesis of secretory and membrane proteins. TRAP plays a key role in the secretion of many hormones, including insulin. Here we reveal the molecular architecture of the mammalian TRAP complex and how it engages the translating ribosome associated with Sec61 translocon on the ER membrane. The TRAP complex is anchored to the ribosome via a long tether and its position is further stabilized by a finger-like loop. This positions a cradle-like lumenal domain of TRAP below the translocon for interactions with translocated nascent chains. Our structure-guided TRAP mutations in Caenorhabditis elegans lead to growth deficits associated with increased ER stress and defects in protein hormone secretion. These findings elucidate the molecular basis of the TRAP complex in the biogenesis and translocation of proteins at the ER.
Molecular basis of the TRAP complex function in ER protein biogenesis.,Jaskolowski M, Jomaa A, Gamerdinger M, Shrestha S, Leibundgut M, Deuerling E, Ban N Nat Struct Mol Biol. 2023 May 11. doi: 10.1038/s41594-023-00990-0. PMID:37170030<ref>PMID:37170030</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 8btk" style="background-color:#fffaf0;"></div>


==See Also==
==See Also==
*[[Ribosome 3D structures|Ribosome 3D structures]]
*[[Ribosome 3D structures|Ribosome 3D structures]]
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>

Latest revision as of 05:39, 24 June 2026

Structure of the TRAP complex with the Sec translocon and a translating ribosome

8btk, resolution 3.50Å

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