3kc4: Difference between revisions
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[[Image: | ==Ribosome-SecY complex. This entry 3KC4 contains 30S ribosomal subnit. The 50S ribosomal subunit can be found in PDB entry 3KCR== | ||
<StructureSection load='3kc4' size='340' side='right' caption='[[3kc4]], [[Resolution|resolution]] 9.60Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[3kc4]] is a 21 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli] and [http://en.wikipedia.org/wiki/Escherichia_coli_k-12 Escherichia coli k-12]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3KC4 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3KC4 FirstGlance]. <br> | |||
</td></tr><tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3bo0|3bo0]], [[3bo1|3bo1]], [[3kcr|3kcr]]</td></tr> | |||
<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3kc4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3kc4 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3kc4 RCSB], [http://www.ebi.ac.uk/pdbsum/3kc4 PDBsum]</span></td></tr> | |||
<table> | |||
== Evolutionary Conservation == | |||
[[Image:Consurf_key_small.gif|200px|right]] | |||
Check<jmol> | |||
<jmolCheckbox> | |||
<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/kc/3kc4_consurf.spt"</scriptWhenChecked> | |||
<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked> | |||
<text>to colour the structure by Evolutionary Conservation</text> | |||
</jmolCheckbox> | |||
</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/chain_selection.php?pdb_ID=2ata ConSurf]. | |||
<div style="clear:both"></div> | |||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
During protein synthesis, it is often necessary for the ribosome to form a complex with a membrane-bound channel, the SecY/Sec61 complex, in order to translocate nascent proteins across a cellular membrane. Structural data on the ribosome-channel complex are currently limited to low-resolution cryo-electron microscopy maps, including one showing a bacterial ribosome bound to a monomeric SecY complex. Using that map along with available atomic-level models of the ribosome and SecY, we have determined, through molecular dynamics flexible fitting (MDFF), an atomic-resolution model of the ribosome-channel complex. We characterized computationally the sites of ribosome-SecY interaction within the complex and determined the effect of ribosome binding on the SecY channel. We also constructed a model of a ribosome in complex with a SecY dimer by adding a second copy of SecY to the MDFF-derived model. The study involved 2.7-million-atom simulations over altogether nearly 50 ns. | |||
Regulation of the protein-conducting channel by a bound ribosome.,Gumbart J, Trabuco LG, Schreiner E, Villa E, Schulten K Structure. 2009 Nov 11;17(11):1453-64. PMID:19913480<ref>PMID:19913480</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
</div> | |||
==See Also== | ==See Also== | ||
*[[Ribosomal protein S2|Ribosomal protein S2]] | *[[Ribosomal protein S2|Ribosomal protein S2]] | ||
*[[Ribosomal protein S21|Ribosomal protein S21]] | *[[Ribosomal protein S21|Ribosomal protein S21]] | ||
*[[Ribosomal protein S3|Ribosomal protein S3]] | *[[Ribosomal protein S3|Ribosomal protein S3]] | ||
*[[ | *[[Ribosome 3D structures|Ribosome 3D structures]] | ||
== References == | |||
<references/> | |||
__TOC__ | |||
</StructureSection> | |||
== | |||
< | |||
[[Category: Escherichia coli]] | [[Category: Escherichia coli]] | ||
[[Category: Escherichia coli k-12]] | [[Category: Escherichia coli k-12]] | ||
Revision as of 11:04, 29 September 2014
Ribosome-SecY complex. This entry 3KC4 contains 30S ribosomal subnit. The 50S ribosomal subunit can be found in PDB entry 3KCR
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Proteopedia Page Contributors and Editors (what is this?)
Categories:
- Escherichia coli
- Escherichia coli k-12
- Gumbart, J C.
- Schreiner, E.
- Schulten, K.
- Trabuco, L G.
- Villa, E.
- Antibiotic resistance
- Endonuclease
- Hydrolase
- Methylation
- Nuclease
- Protein translocation
- Repressor
- Ribonucleoprotein
- Ribosomal protein
- Ribosome
- Ribosome-secy complex
- Rna-binding
- Rrna-binding
- Transcription
- Transcription regulation
- Transcription termination
- Translation regulation
- Trna-binding
