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2i2u

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|PDB= 2i2u |SIZE=350|CAPTION= <scene name='initialview01'>2i2u</scene>, resolution 3.220&Aring;
|PDB= 2i2u |SIZE=350|CAPTION= <scene name='initialview01'>2i2u</scene>, resolution 3.220&Aring;
|SITE=
|SITE=
-
|LIGAND= <scene name='pdbligand=MG:MAGNESIUM ION'>MG</scene>
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|LIGAND= <scene name='pdbligand=A:ADENOSINE-5&#39;-MONOPHOSPHATE'>A</scene>, <scene name='pdbligand=C:CYTIDINE-5&#39;-MONOPHOSPHATE'>C</scene>, <scene name='pdbligand=G:GUANOSINE-5&#39;-MONOPHOSPHATE'>G</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=U:URIDINE-5&#39;-MONOPHOSPHATE'>U</scene>
|ACTIVITY=
|ACTIVITY=
|GENE=
|GENE=
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|DOMAIN=
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|RELATEDENTRY=[[2i2p|2I2P]], [[2i2t|2I2T]], [[2i2v|2I2V]]
 +
|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2i2u FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2i2u OCA], [http://www.ebi.ac.uk/pdbsum/2i2u PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2i2u RCSB]</span>
}}
}}
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[[Category: Pai, R D.]]
[[Category: Pai, R D.]]
[[Category: Zhang, W.]]
[[Category: Zhang, W.]]
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[[Category: MG]]
 
[[Category: protein-nucleic acid complex]]
[[Category: protein-nucleic acid complex]]
[[Category: ribosome]]
[[Category: ribosome]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Mar 20 17:24:43 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 03:38:53 2008''

Revision as of 00:38, 31 March 2008

Image:2i2u.gif


PDB ID 2i2u

Drag the structure with the mouse to rotate
, resolution 3.220Å
Ligands: , , , ,
Related: 2I2P, 2I2T, 2I2V


Resources: FirstGlance, OCA, PDBsum, RCSB
Coordinates: save as pdb, mmCIF, xml



Crystal Structure of Ribosome with messenger RNA and the Anticodon stem-loop of P-site tRNA. This file contains the 30s subunit of one 70s ribosome. The entire crystal structure contains two 70s ribosomes and is described in remark 400.


Overview

Protein synthesis requires the accurate positioning of mRNA and tRNA in the peptidyl-tRNA site of the ribosome. Here we describe x-ray crystal structures of the intact bacterial ribosome from Escherichia coli in a complex with mRNA and the anticodon stem-loop of P-site tRNA. At 3.5-A resolution, these structures reveal rearrangements in the intact ribosome that clamp P-site tRNA and mRNA on the small ribosomal subunit. Binding of the anticodon stem-loop of P-site tRNA to the ribosome is sufficient to lock the head of the small ribosomal subunit in a single conformation, thereby preventing movement of mRNA and tRNA before mRNA decoding.

About this Structure

2I2U is a Protein complex structure of sequences from Escherichia coli. Full crystallographic information is available from OCA.

Reference

Structural basis for mRNA and tRNA positioning on the ribosome., Berk V, Zhang W, Pai RD, Cate JH, Proc Natl Acad Sci U S A. 2006 Oct 24;103(43):15830-4. Epub 2006 Oct 12. PMID:17038497

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