1jju

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[[Image:1jju.gif|left|200px]]
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{{Seed}}
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{{STRUCTURE_1jju| PDB=1jju | SCENE= }}
{{STRUCTURE_1jju| PDB=1jju | SCENE= }}
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'''Structure of a Quinohemoprotein Amine Dehydrogenase with a Unique Redox Cofactor and Highly Unusual Crosslinking'''
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===Structure of a Quinohemoprotein Amine Dehydrogenase with a Unique Redox Cofactor and Highly Unusual Crosslinking===
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==Overview==
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The crystal structure of the heterotrimeric quinohemoprotein amine dehydrogenase from Paracoccus denitrificans has been determined at 2.05-A resolution. Within an 82-residue subunit is contained an unusual redox cofactor, cysteine tryptophylquinone (CTQ), consisting of an orthoquinone-modified tryptophan side chain covalently linked to a nearby cysteine side chain. The subunit is surrounded on three sides by a 489-residue, four-domain subunit that includes a diheme cytochrome c. Both subunits sit on the surface of a third subunit, a 337-residue seven-bladed beta-propeller that forms part of the enzyme active site. The small catalytic subunit is internally crosslinked by three highly unusual covalent cysteine to aspartic or glutamic acid thioether linkages in addition to the cofactor crossbridge. The catalytic function of the enzyme as well as the biosynthesis of the unusual catalytic subunit is discussed.
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The line below this paragraph, {{ABSTRACT_PUBMED_11717396}}, adds the Publication Abstract to the page
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(as it appears on PubMed at http://www.pubmed.gov), where 11717396 is the PubMed ID number.
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{{ABSTRACT_PUBMED_11717396}}
==About this Structure==
==About this Structure==
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[[Category: Amine dehydrogenase]]
[[Category: Amine dehydrogenase]]
[[Category: Quinohemoprotein]]
[[Category: Quinohemoprotein]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 21:18:38 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 1 20:21:25 2008''

Revision as of 17:21, 1 July 2008

Image:1jju.png

Template:STRUCTURE 1jju

Structure of a Quinohemoprotein Amine Dehydrogenase with a Unique Redox Cofactor and Highly Unusual Crosslinking

Template:ABSTRACT PUBMED 11717396

About this Structure

1JJU is a Protein complex structure of sequences from Paracoccus denitrificans. Full crystallographic information is available from OCA.

Reference

Structure of a quinohemoprotein amine dehydrogenase with an uncommon redox cofactor and highly unusual crosslinking., Datta S, Mori Y, Takagi K, Kawaguchi K, Chen ZW, Okajima T, Kuroda S, Ikeda T, Kano K, Tanizawa K, Mathews FS, Proc Natl Acad Sci U S A. 2001 Dec 4;98(25):14268-73. Epub 2001 Nov 20. PMID:11717396

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