1cdr

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Template:STRUCTURE 1cdr

Contents

STRUCTURE OF A SOLUBLE, GLYCOSYLATED FORM OF THE HUMAN COMPLEMENT REGULATORY PROTEIN CD59

Template:ABSTRACT PUBMED 7520819

Disease

[CD59_HUMAN] Defects in CD59 are the cause of CD59 deficiency (CD59D) [MIM:612300].[1]

Function

[CD59_HUMAN] Potent inhibitor of the complement membrane attack complex (MAC) action. Acts by binding to the C8 and/or C9 complements of the assembling MAC, thereby preventing incorporation of the multiple copies of C9 required for complete formation of the osmolytic pore. This inhibitor appears to be species-specific. Involved in signal transduction for T-cell activation complexed to a protein tyrosine kinase. The soluble form from urine retains its specific complement binding activity, but exhibits greatly reduced ability to inhibit MAC assembly on cell membranes.

About this Structure

1cdr is a 1 chain structure with sequence from Homo sapiens. Full experimental information is available from OCA.

Reference

  • Fletcher CM, Harrison RA, Lachmann PJ, Neuhaus D. Structure of a soluble, glycosylated form of the human complement regulatory protein CD59. Structure. 1994 Mar 15;2(3):185-99. PMID:7520819
  1. ↑ Motoyama N, Okada N, Yamashina M, Okada H. Paroxysmal nocturnal hemoglobinuria due to hereditary nucleotide deletion in the HRF20 (CD59) gene. Eur J Immunol. 1992 Oct;22(10):2669-73. PMID:1382994 doi:http://dx.doi.org/10.1002/eji.1830221029

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