From Proteopedia
(Difference between revisions)
proteopedia linkproteopedia link
|
|
| Line 1: |
Line 1: |
| - | [[Image:2p9w.jpg|left|200px]] | + | {{Seed}} |
| | + | [[Image:2p9w.png|left|200px]] |
| | | | |
| | <!-- | | <!-- |
| Line 9: |
Line 10: |
| | {{STRUCTURE_2p9w| PDB=2p9w | SCENE= }} | | {{STRUCTURE_2p9w| PDB=2p9w | SCENE= }} |
| | | | |
| - | '''Crystal Structure of the Major Malassezia sympodialis Allergen Mala s 1'''
| + | ===Crystal Structure of the Major Malassezia sympodialis Allergen Mala s 1=== |
| | | | |
| | | | |
| - | ==Overview==
| + | <!-- |
| - | Atopic eczema (AE) is a chronic inflammatory disease in which genetic predisposition and environmental factors such as microorganisms contribute to the symptoms. The yeast Malassezia Sympodialis, part of the normal human cutaneous flora, can act as an allergen eliciting specific IgE and T-cell reactivity in patients with AE. The major M. sympodialis allergen Mala s 1 is localized mainly in the yeast cell wall and exposed on the cell surface. Interestingly, Mala s 1 does not exhibit any significant sequence homology to known proteins. Here we present the crystal structure of Mala s 1 determined by single-wavelength anomalous dispersion techniques using selenomethionine-substituted Mala s 1. Mala s 1 folds into a 6-fold beta-propeller, a novel fold among allergens. The putative active site of Mala s 1 overlaps structurally to putative active sites in potential homologues, Q4P4P8 and Tri 14, from the plant parasites Ustilago maydis and Gibberella zeae, respectively. This resemblance suggests that Mala s 1 and the parasite proteins may have similar functions. In addition, we show that Mala s 1 binds to the phosphoinositides (PI) PI(3)P, PI(4)P, and PI(5)P, lipids possibly playing a role in the localization of Mala s 1 to the cell surface. The crystal structure of Mala s 1 will provide insights into the role of this major allergen in the host-microbe interactions and induction of an allergic response in AE.
| + | The line below this paragraph, {{ABSTRACT_PUBMED_17481656}}, adds the Publication Abstract to the page |
| | + | (as it appears on PubMed at http://www.pubmed.gov), where 17481656 is the PubMed ID number. |
| | + | --> |
| | + | {{ABSTRACT_PUBMED_17481656}} |
| | | | |
| | ==About this Structure== | | ==About this Structure== |
| Line 29: |
Line 33: |
| | [[Category: Allergen]] | | [[Category: Allergen]] |
| | [[Category: Beta propeller]] | | [[Category: Beta propeller]] |
| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 12:41:24 2008'' | + | |
| | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 03:11:15 2008'' |
Revision as of 00:11, 28 July 2008
Template:STRUCTURE 2p9w
Crystal Structure of the Major Malassezia sympodialis Allergen Mala s 1
Template:ABSTRACT PUBMED 17481656
About this Structure
Full crystallographic information is available from OCA.
Reference
Crystal structure of the major Malassezia sympodialis allergen Mala s 1 reveals a beta-propeller fold: a novel fold among allergens., Vilhelmsson M, Zargari A, Crameri R, Rasool O, Achour A, Scheynius A, Hallberg BM, J Mol Biol. 2007 Jun 15;369(4):1079-86. Epub 2007 Apr 12. PMID:17481656
Page seeded by OCA on Mon Jul 28 03:11:15 2008
