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1c3d

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[[Image:1c3d.gif|left|200px]]
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{{STRUCTURE_1c3d| PDB=1c3d | SCENE= }}
{{STRUCTURE_1c3d| PDB=1c3d | SCENE= }}
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'''X-RAY CRYSTAL STRUCTURE OF C3D: A C3 FRAGMENT AND LIGAND FOR COMPLEMENT RECEPTOR 2'''
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===X-RAY CRYSTAL STRUCTURE OF C3D: A C3 FRAGMENT AND LIGAND FOR COMPLEMENT RECEPTOR 2===
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==Overview==
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Activation and covalent attachment of complement component C3 to pathogens is the key step in complement-mediated host defense. Additionally, the antigen-bound C3d fragment interacts with complement receptor 2 (CR2; also known as CD21) on B cells and thereby contributes to the initiation of an acquired humoral response. The x-ray crystal structure of human C3d solved at 2.0 angstroms resolution reveals an alpha-alpha barrel with the residues responsible for thioester formation and covalent attachment at one end and an acidic pocket at the other. The structure supports a model whereby the transition of native C3 to its functionally active state involves the disruption of a complementary domain interface and provides insight into the basis for the interaction between C3d and CR2.
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(as it appears on PubMed at http://www.pubmed.gov), where 9596584 is the PubMed ID number.
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{{ABSTRACT_PUBMED_9596584}}
==About this Structure==
==About this Structure==
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[[Category: C3d]]
[[Category: C3d]]
[[Category: Complement]]
[[Category: Complement]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 12:16:47 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jun 30 20:09:04 2008''

Revision as of 17:09, 30 June 2008

Image:1c3d.png

Template:STRUCTURE 1c3d

X-RAY CRYSTAL STRUCTURE OF C3D: A C3 FRAGMENT AND LIGAND FOR COMPLEMENT RECEPTOR 2

Template:ABSTRACT PUBMED 9596584

About this Structure

1C3D is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

X-ray crystal structure of C3d: a C3 fragment and ligand for complement receptor 2., Nagar B, Jones RG, Diefenbach RJ, Isenman DE, Rini JM, Science. 1998 May 22;280(5367):1277-81. PMID:9596584

Page seeded by OCA on Mon Jun 30 20:09:04 2008

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