2brs
From Proteopedia
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[[Image:2brs.jpg|left|200px]] | [[Image:2brs.jpg|left|200px]] | ||
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'''EMBP HEPARIN COMPLEX''' | '''EMBP HEPARIN COMPLEX''' | ||
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[[Category: Ohnuki, L E.]] | [[Category: Ohnuki, L E.]] | ||
[[Category: Swaminathan, G J.]] | [[Category: Swaminathan, G J.]] | ||
- | [[Category: | + | [[Category: Antibiotic]] |
- | [[Category: | + | [[Category: Embp]] |
- | [[Category: | + | [[Category: Eosinophil]] |
- | [[Category: | + | [[Category: Eosinophil granule protein]] |
- | [[Category: | + | [[Category: Glycoprotein]] |
- | [[Category: | + | [[Category: Heparin]] |
- | [[Category: | + | [[Category: Heparin-binding]] |
- | [[Category: | + | [[Category: Immune response]] |
- | [[Category: | + | [[Category: Lectin]] |
- | [[Category: | + | [[Category: Proteoglycan]] |
- | [[Category: | + | [[Category: Signal]] |
- | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sat May 3 20:42:30 2008'' | |
- | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + |
Revision as of 17:42, 3 May 2008
EMBP HEPARIN COMPLEX
Overview
The eosinophil major basic protein (EMBP), a constituent of the eosinophil secondary granule, is implicated in cytotoxicity and mediation of allergic disorders such as asthma. It is a member of the C-type lectin family, but lacks a Ca(2+)- and carbohydrate-binding site as seen in other members of this family. Here, we report the crystal structure of EMBP in complex with a heparin disaccharide and in the absence of Ca(2+), the first such report of any C-lectin with this sugar. We also provide direct evidence of binding of EMBP to heparin and heparin disaccharide by surface plasmon resonance. We propose that the sugars recognized by EMBP are likely to be proteoglycans such as heparin, leading to new interpretations for EMBP function.
About this Structure
2BRS is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.
Reference
Eosinophil-granule major basic protein, a C-type lectin, binds heparin., Swaminathan GJ, Myszka DG, Katsamba PS, Ohnuki LE, Gleich GJ, Acharya KR, Biochemistry. 2005 Nov 1;44(43):14152-8. PMID:16245931 Page seeded by OCA on Sat May 3 20:42:30 2008