A protein that binds specifically to Env 105-119 (HEDIISLWDQSLKPC) was found in pools of normal human plasma when this peptide was used in affinity chromatography procedures. These samples represented the negative control in experiments aimed at the purification of putative human antibodies to the Env 105-119 region from AIDS sera. In this article we describe the biochemical characterization of this protein, which turned out to be complement factor H (CFH). We propose a functional role for this protein in the complex, early steps of CD4-dependent HIV infection.
Direct interaction of complement factor H with the C1 domain of HIV type 1 glycoprotein 120 / C. Pintèr, A. G. Siccardi, R. Longhi, A. Clivio. - In: AIDS RESEARCH AND HUMAN RETROVIRUSES. - ISSN 0889-2229. - 11:5(1995), pp. 577-588. [10.1089/aid.1995.11.577]
Direct interaction of complement factor H with the C1 domain of HIV type 1 glycoprotein 120
C. PintèrPrimo
;A.G. SiccardiSecondo
;A. ClivioUltimo
1995
Abstract
A protein that binds specifically to Env 105-119 (HEDIISLWDQSLKPC) was found in pools of normal human plasma when this peptide was used in affinity chromatography procedures. These samples represented the negative control in experiments aimed at the purification of putative human antibodies to the Env 105-119 region from AIDS sera. In this article we describe the biochemical characterization of this protein, which turned out to be complement factor H (CFH). We propose a functional role for this protein in the complex, early steps of CD4-dependent HIV infection.
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