2mpr

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[[Image:2mpr.jpg|left|200px]]
[[Image:2mpr.jpg|left|200px]]
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{{Structure
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|PDB= 2mpr |SIZE=350|CAPTION= <scene name='initialview01'>2mpr</scene>, resolution 2.4&Aring;
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The line below this paragraph, containing "STRUCTURE_2mpr", creates the "Structure Box" on the page.
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|SITE=
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|LIGAND= <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=GLC:GLUCOSE'>GLC</scene>
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{{STRUCTURE_2mpr| PDB=2mpr | SCENE= }}
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2mpr FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2mpr OCA], [http://www.ebi.ac.uk/pdbsum/2mpr PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2mpr RCSB]</span>
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'''MALTOPORIN FROM SALMONELLA TYPHIMURIUM'''
'''MALTOPORIN FROM SALMONELLA TYPHIMURIUM'''
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[[Category: Meyer, J E.W.]]
[[Category: Meyer, J E.W.]]
[[Category: Schulz, G E.]]
[[Category: Schulz, G E.]]
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[[Category: oligosaccharide binding]]
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[[Category: Oligosaccharide binding]]
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[[Category: outer membrane protein]]
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[[Category: Outer membrane protein]]
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[[Category: phage recognition]]
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[[Category: Phage recognition]]
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[[Category: sugar transport]]
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[[Category: Sugar transport]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 09:34:20 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Mar 31 04:04:22 2008''
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Revision as of 06:34, 4 May 2008

Image:2mpr.jpg

Template:STRUCTURE 2mpr

MALTOPORIN FROM SALMONELLA TYPHIMURIUM


Overview

The maltodextrin-specific (malto-)porin from Salmonella typhimurium has been crystallized. Its three-dimensional structure was determined at 2.4 A resolution (1 A = 0.1 nm). A comparison with the structure of the homologous porin from Escherichia coli as well as with the sequences of other related porins showed that there are regions of appreciable sequence and structure variability, despite close overall similarity. The maltoporin structure was analyzed with a bound nitrophenyl-maltotrioside as well as without ligand. Maltotrioside binding had a negligible effect on the polypeptide structure. It binds at the pore eyelet assuming a conformation close to the natural amylose helix.

About this Structure

2MPR is a Single protein structure of sequence from Salmonella typhimurium. Full crystallographic information is available from OCA.

Reference

Structure of maltoporin from Salmonella typhimurium ligated with a nitrophenyl-maltotrioside., Meyer JE, Hofnung M, Schulz GE, J Mol Biol. 1997 Mar 7;266(4):761-75. PMID:9102468 Page seeded by OCA on Sun May 4 09:34:20 2008

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