1d6a

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[[Image:1d6a.gif|left|200px]]
[[Image:1d6a.gif|left|200px]]
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{{Structure
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<!--
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|PDB= 1d6a |SIZE=350|CAPTION= <scene name='initialview01'>1d6a</scene>, resolution 2.1&Aring;
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The line below this paragraph, containing "STRUCTURE_1d6a", creates the "Structure Box" on the page.
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|SITE=
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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|LIGAND= <scene name='pdbligand=GUN:GUANINE'>GUN</scene>
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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|ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/rRNA_N-glycosylase rRNA N-glycosylase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.2.22 3.2.2.22] </span>
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or leave the SCENE parameter empty for the default display.
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|GENE=
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|DOMAIN=
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{{STRUCTURE_1d6a| PDB=1d6a | SCENE= }}
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|RELATEDENTRY=[[1qci|1QCI]]
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1d6a FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1d6a OCA], [http://www.ebi.ac.uk/pdbsum/1d6a PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1d6a RCSB]</span>
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}}
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'''STRUCTURE OF POKEWEED ANTIVIRAL PROTEIN COMPLEXED WITH GUANINE'''
'''STRUCTURE OF POKEWEED ANTIVIRAL PROTEIN COMPLEXED WITH GUANINE'''
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[[Category: Phytolacca americana]]
[[Category: Phytolacca americana]]
[[Category: Single protein]]
[[Category: Single protein]]
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[[Category: rRNA N-glycosylase]]
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[[Category: RRNA N-glycosylase]]
[[Category: Kurinov, I V.]]
[[Category: Kurinov, I V.]]
[[Category: Rajamohan, F.]]
[[Category: Rajamohan, F.]]
[[Category: Uckun, F M.]]
[[Category: Uckun, F M.]]
[[Category: Venkatachalam, T K.]]
[[Category: Venkatachalam, T K.]]
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[[Category: pokeweed antiviral protein]]
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[[Category: Pokeweed antiviral protein]]
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[[Category: ribosome inactivating protein]]
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[[Category: Ribosome inactivating protein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 13:29:55 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 19:35:28 2008''
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Revision as of 10:29, 2 May 2008

Image:1d6a.gif

Template:STRUCTURE 1d6a

STRUCTURE OF POKEWEED ANTIVIRAL PROTEIN COMPLEXED WITH GUANINE


Overview

Pokeweed antiviral protein (PAP) is a ribosome-inactivating protein (RIP), which enzymatically removes a single adenine base from a conserved, surface exposed loop sequence of ribosomal rRNA. We now present unprecedented experimental evidence that PAP can release not only adenine but guanine as well from Escherichia coli rRNA, albeit at a rate 20 times slower than for adenine. We also report X-ray structure analysis and supporting modeling studies for the interactions of PAP with guanine. Our modeling studies indicated that PAP can accommodate a guanine base in the active site pocket without large conformational changes. This prediction was experimentally confirmed, since a guanine base was visible in the active site pocket of the crystal structure of the PAP-guanine complex.

About this Structure

1D6A is a Single protein structure of sequence from Phytolacca americana. Full crystallographic information is available from OCA.

Reference

X-ray crystallographic analysis of the structural basis for the interaction of pokeweed antiviral protein with guanine residues of ribosomal RNA., Kurinov IV, Rajamohan F, Venkatachalam TK, Uckun FM, Protein Sci. 1999 Nov;8(11):2399-405. PMID:10595542 Page seeded by OCA on Fri May 2 13:29:55 2008

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