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2c3b

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{{STRUCTURE_2c3b| PDB=2c3b | SCENE= }}
{{STRUCTURE_2c3b| PDB=2c3b | SCENE= }}
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'''THE CRYSTAL STRUCTURE OF ASPERGILLUS FUMIGATUS CYCLOPHILIN REVEALS 3D DOMAIN SWAPPING OF A CENTRAL ELEMENT'''
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===THE CRYSTAL STRUCTURE OF ASPERGILLUS FUMIGATUS CYCLOPHILIN REVEALS 3D DOMAIN SWAPPING OF A CENTRAL ELEMENT===
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==Overview==
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The crystal structure of Aspergillus fumigatus cyclophilin (Asp f 11) was solved by the multiwavelength anomalous dispersion method and was refined to a resolution of 1.85 A with R and R(free) values of 18.9% and 21.4%, respectively. Many cyclophilin structures have been solved to date, all showing the same monomeric conformation. In contrast, the structure of A. fumigatus cyclophilin reveals dimerization by 3D domain swapping and represents one of the first proteins with a swapped central domain. The domain-swapped element consists of two beta strands and a subsequent loop carrying a conserved tryptophan. The tryptophan binds into the active site, inactivating cis-trans isomerization. This might be a means of biological regulation. The two hinge loops leave the protein prone to misfolding. In this context, alternative forms of 3D domain swapping that can lead to N- or C-terminally swapped dimers, oligomers, and aggregates are discussed.
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(as it appears on PubMed at http://www.pubmed.gov), where 16472738 is the PubMed ID number.
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{{ABSTRACT_PUBMED_16472738}}
==About this Structure==
==About this Structure==
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[[Category: Ppiase]]
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[[Category: Rotamase]]
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Revision as of 01:05, 28 July 2008

Image:2c3b.png

Template:STRUCTURE 2c3b

THE CRYSTAL STRUCTURE OF ASPERGILLUS FUMIGATUS CYCLOPHILIN REVEALS 3D DOMAIN SWAPPING OF A CENTRAL ELEMENT

Template:ABSTRACT PUBMED 16472738

About this Structure

2C3B is a Single protein structure of sequence from Aspergillus fumigatus. Full crystallographic information is available from OCA.

Reference

The crystal structure of Aspergillus fumigatus cyclophilin reveals 3D domain swapping of a central element., Limacher A, Kloer DP, Fluckiger S, Folkers G, Crameri R, Scapozza L, Structure. 2006 Feb;14(2):185-95. PMID:16472738

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