1hxk: Difference between revisions

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[[Image:1hxk.gif|left|200px]]
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{{STRUCTURE_1hxk|  PDB=1hxk  |  SCENE=  }}  
{{STRUCTURE_1hxk|  PDB=1hxk  |  SCENE=  }}  


'''GOLGI ALPHA-MANNOSIDASE II IN COMPLEX WITH DEOXYMANNOJIRIMICIN'''
===GOLGI ALPHA-MANNOSIDASE II IN COMPLEX WITH DEOXYMANNOJIRIMICIN===




==Overview==
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Golgi alpha-mannosidase II, a key enzyme in N-glycan processing, is a target in the development of anti- cancer therapies. The crystal structure of Drosophila Golgi alpha-mannosidase II in the absence and presence of the anti-cancer agent swainsonine and the inhibitor deoxymannojirimycin reveals a novel protein fold with an active site zinc intricately involved both in the substrate specificity of the enzyme and directly in the catalytic mechanism. Identification of a putative GlcNAc binding pocket in the vicinity of the active site cavity provides a model for the binding of the GlcNAcMan(5)GlcNAc(2) substrate and the consecutive hydrolysis of the alpha1,6- and alpha1,3-linked mannose residues. The enzyme-inhibitor interactions observed provide insight into the catalytic mechanism, opening the door to the design of novel inhibitors of alpha-mannosidase II.
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{{ABSTRACT_PUBMED_11406577}}


==About this Structure==
==About this Structure==
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[[Category: N-terminal alpha-beta domain]]
[[Category: N-terminal alpha-beta domain]]
[[Category: Three helix bundle]]
[[Category: Three helix bundle]]
''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 19:20:00 2008''
 
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Revision as of 10:05, 1 July 2008

File:1hxk.png

Template:STRUCTURE 1hxk

GOLGI ALPHA-MANNOSIDASE II IN COMPLEX WITH DEOXYMANNOJIRIMICINGOLGI ALPHA-MANNOSIDASE II IN COMPLEX WITH DEOXYMANNOJIRIMICIN

Template:ABSTRACT PUBMED 11406577

About this StructureAbout this Structure

1HXK is a Single protein structure of sequence from Drosophila melanogaster. Full crystallographic information is available from OCA.

ReferenceReference

Structure of Golgi alpha-mannosidase II: a target for inhibition of growth and metastasis of cancer cells., van den Elsen JM, Kuntz DA, Rose DR, EMBO J. 2001 Jun 15;20(12):3008-17. PMID:11406577

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