5aa0

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'''Unreleased structure'''
 
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The entry 5aa0 is ON HOLD until sometime in the future
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==Complex of Thermous thermophilus ribosome (A-and P-site tRNA) bound to BipA-GDPCP==
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<SX load='5aa0' size='340' side='right' viewer='molstar' caption='[[5aa0]], [[Resolution|resolution]] 5.00&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[5aa0]] is a 10 chain structure with sequence from [https://en.wikipedia.org/wiki/Thermus_thermophilus_HB8 Thermus thermophilus HB8]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5AA0 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5AA0 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">Electron Microscopy, [[Resolution|Resolution]] 5&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=8AN:3-AMINO-3-DEOXYADENOSINE+5-(DIHYDROGEN+PHOSPHATE)'>8AN</scene>, <scene name='pdbligand=GCP:PHOSPHOMETHYLPHOSPHONIC+ACID+GUANYLATE+ESTER'>GCP</scene>, <scene name='pdbligand=NMY:NEOMYCIN'>NMY</scene></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=5aa0 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5aa0 OCA], [https://pdbe.org/5aa0 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5aa0 RCSB], [https://www.ebi.ac.uk/pdbsum/5aa0 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5aa0 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/RL1_THET8 RL1_THET8] Directly binds to 23S rRNA. Forms what is known as the L1 stalk, which protrudes beyond the 70S ribosome surface. The stalk is preferentially stabilized in 70S versus 50S crystals. Interacts with the E site tRNA, blocking the exit path. This blockage implies that this section of the ribosome must be able to move to release the deacetylated tRNA.[HAMAP-Rule:MF_01318_B] Protein L1 is also a translational repressor protein, it controls the translation of the L11 operon by binding to its mRNA (By similarity).[HAMAP-Rule:MF_01318_B]
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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BPI-inducible protein A (BipA) is a member of the family of ribosome-dependent translational GTPase (trGTPase) factors along with elongation factors G and 4 (EF-G and EF4). Despite being highly conserved in bacteria and playing a critical role in coordinating cellular responses to environmental changes, its structures (isolated and ribosome bound) remain elusive. Here, we present the crystal structures of apo form and GTP analog, GDP, and guanosine-3',5'-bisdiphosphate (ppGpp)-bound BipA. In addition to having a distinctive domain arrangement, the C-terminal domain of BipA has a unique fold. Furthermore, we report the cryo-electron microscopy structure of BipA bound to the ribosome in its active GTP form and elucidate the unique structural attributes of BipA interactions with the ribosome and A-site tRNA in the light of its possible function in regulating translation.
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Authors: Kumar, V., Chen, Y., Ahmed, T., Tan, J., Ero, R., Bhushan, S., Gao, Y.-G.
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Structure of BipA in GTP form bound to the ratcheted ribosome.,Kumar V, Chen Y, Ero R, Ahmed T, Tan J, Li Z, Wong AS, Bhushan S, Gao YG Proc Natl Acad Sci U S A. 2015 Aug 17. pii: 201513216. PMID:26283392<ref>PMID:26283392</ref>
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Description: Complex of Thermous thermophilus ribosome (A-and P-site tRNA) to bound BipA-GDPCP
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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[[Category: Unreleased Structures]]
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</div>
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[[Category: Kumar, V]]
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<div class="pdbe-citations 5aa0" style="background-color:#fffaf0;"></div>
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[[Category: Gao, Y.-G]]
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[[Category: Chen, Y]]
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==See Also==
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[[Category: Tan, J]]
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*[[GTP-binding protein 3D structures|GTP-binding protein 3D structures]]
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[[Category: Ero, R]]
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*[[Ribosomal protein THX 3D structures|Ribosomal protein THX 3D structures]]
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[[Category: Ahmed, T]]
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*[[Ribosome 3D structures|Ribosome 3D structures]]
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[[Category: Bhushan, S]]
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*[[Transfer RNA (tRNA)|Transfer RNA (tRNA)]]
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== References ==
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<references/>
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__TOC__
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</SX>
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[[Category: Large Structures]]
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[[Category: Thermus thermophilus HB8]]
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[[Category: Ahmed T]]
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[[Category: Bhushan S]]
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[[Category: Chen Y]]
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[[Category: Ero R]]
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[[Category: Gao Y-G]]
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[[Category: Kumar V]]
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[[Category: Tan J]]

Current revision

Complex of Thermous thermophilus ribosome (A-and P-site tRNA) bound to BipA-GDPCP

5aa0, resolution 5.00Å

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