1y8g

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{{Seed}}
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{{STRUCTURE_1y8g| PDB=1y8g | SCENE= }}
{{STRUCTURE_1y8g| PDB=1y8g | SCENE= }}
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'''Catalytic and ubiqutin-associated domains of MARK2/PAR-1: Inactive double mutant with selenomethionine'''
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===Catalytic and ubiqutin-associated domains of MARK2/PAR-1: Inactive double mutant with selenomethionine===
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==Overview==
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The Ser/Thr kinase MARK2 phosphorylates tau protein at sites that cause detachment from microtubules in Alzheimer neurofibrillary degeneration. Homologs of MARK2 include Par-1 in C. elegans and Drosophila, which generates embryonic polarity. We report the X-ray structure of the catalytic and ubiquitin-associated domains (UBA) of human MARK2. The activity was altered by mutations in the ATP binding site and/or activation loop. The catalytic domain shows the small and large lobes typical of kinases. The substrate cleft is in an inactive, open conformation in the inactivated and the wild-type structure. The UBA domain is attached via a taut linker to the large lobe of the kinase domain and leans against a hydrophobic patch on the small lobe. The UBA structure is unusual because the orientation of its third helix is inverted, relative to previous structures. Possible implications of the structure for the regulation of kinase activity are discussed.
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The line below this paragraph, {{ABSTRACT_PUBMED_16472737}}, adds the Publication Abstract to the page
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(as it appears on PubMed at http://www.pubmed.gov), where 16472737 is the PubMed ID number.
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{{ABSTRACT_PUBMED_16472737}}
==About this Structure==
==About this Structure==
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[[Category: Serine/threonine protein kinase]]
[[Category: Serine/threonine protein kinase]]
[[Category: Uba domain]]
[[Category: Uba domain]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 16:00:14 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Jul 27 18:11:14 2008''

Revision as of 15:11, 27 July 2008

Image:1y8g.png

Template:STRUCTURE 1y8g

Catalytic and ubiqutin-associated domains of MARK2/PAR-1: Inactive double mutant with selenomethionine

Template:ABSTRACT PUBMED 16472737

About this Structure

1Y8G is a Single protein structure of sequence from Rattus norvegicus. Full crystallographic information is available from OCA.

Reference

Structure of the catalytic and ubiquitin-associated domains of the protein kinase MARK/Par-1., Panneerselvam S, Marx A, Mandelkow EM, Mandelkow E, Structure. 2006 Feb;14(2):173-83. PMID:16472737

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