rdf:type |
|
lifeskim:mentions |
|
pubmed:issue |
4857
|
pubmed:dateCreated |
1988-7-5
|
pubmed:abstractText |
The human immunodeficiency virus type 1 (HIV-1) uses the CD4 protein as a receptor for infection of susceptible cells. A candidate structure for the HIV-1 binding site on the CD4 protein was identified by epitope mapping with a family of eight functionally distinct CD4-specific monoclonal antibodies in conjunction with a panel of large CD4-derived synthetic peptides. All of the seven epitopes that were located reside within two immunoglobulin-like disulfide loops situated between residues 1 and 168 of the CD4 protein. The CD4-specific monoclonal antibody OKT4A, a potent inhibitor of HIV-1 binding, recognized a site between residues 32 and 47 on the CD4 protein. By analogy to other members of the immunoglobulin superfamily of proteins, this particular region has been predicted to exist as a protruding loop. A synthetic analog of this loop (residues 25 to 58) showed a concentration-dependent inhibition of HIV-1-induced cell fusion. It is proposed that a loop extending from residues 37 to 53 of the CD4 protein is a binding site for the AIDS virus.
|
pubmed:grant |
|
pubmed:language |
eng
|
pubmed:journal |
|
pubmed:citationSubset |
IM
|
pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Antibodies, Monoclonal,
http://linkedlifedata.com/resource/pubmed/chemical/Disulfides,
http://linkedlifedata.com/resource/pubmed/chemical/Epitopes,
http://linkedlifedata.com/resource/pubmed/chemical/HIV Envelope Protein gp120,
http://linkedlifedata.com/resource/pubmed/chemical/Immunoglobulins,
http://linkedlifedata.com/resource/pubmed/chemical/Peptide Fragments,
http://linkedlifedata.com/resource/pubmed/chemical/Receptors, HIV,
http://linkedlifedata.com/resource/pubmed/chemical/Receptors, Virus,
http://linkedlifedata.com/resource/pubmed/chemical/Retroviridae Proteins
|
pubmed:status |
MEDLINE
|
pubmed:month |
Jun
|
pubmed:issn |
0036-8075
|
pubmed:author |
|
pubmed:issnType |
Print
|
pubmed:day |
3
|
pubmed:volume |
240
|
pubmed:owner |
NLM
|
pubmed:authorsComplete |
Y
|
pubmed:pagination |
1335-9
|
pubmed:dateRevised |
2007-11-14
|
pubmed:meshHeading |
pubmed-meshheading:2453925-Antibodies, Monoclonal,
pubmed-meshheading:2453925-Binding, Competitive,
pubmed-meshheading:2453925-Cell Fusion,
pubmed-meshheading:2453925-Disulfides,
pubmed-meshheading:2453925-Epitopes,
pubmed-meshheading:2453925-Fluorescent Antibody Technique,
pubmed-meshheading:2453925-HIV,
pubmed-meshheading:2453925-HIV Envelope Protein gp120,
pubmed-meshheading:2453925-Humans,
pubmed-meshheading:2453925-Immunoglobulins,
pubmed-meshheading:2453925-Peptide Fragments,
pubmed-meshheading:2453925-Protein Conformation,
pubmed-meshheading:2453925-Radioimmunoassay,
pubmed-meshheading:2453925-Receptors, HIV,
pubmed-meshheading:2453925-Receptors, Virus,
pubmed-meshheading:2453925-Retroviridae Proteins,
pubmed-meshheading:2453925-T-Lymphocytes, Helper-Inducer
|
pubmed:year |
1988
|
pubmed:articleTitle |
Location and chemical synthesis of a binding site for HIV-1 on the CD4 protein.
|
pubmed:affiliation |
Division of Biology, California Institute of Technology, Pasadena 91125.
|
pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, P.H.S.,
Research Support, Non-U.S. Gov't
|