Abstract
A 62,000-dalton (62K) cell protein reacts with antisera to the 72K polypeptide of the Epstein-Barr virus nuclear antigen (EBNA) in immunoblots. This protein was initially detected in EBNA-negative as well as EBNA-positive cell lines with anti-EBNA-positive human sera. A monoclonal antibody raised against the 72K EBNA and an antiserum from a rabbit immunized with the glycine-alanine domain of EBNA also reacted with the cellular protein. The cellular protein was partially purified from Epstein-Barr virus genome-positive and -negative cell lines. Absorption experiments identified a shared antigenic determinant between the 72K EBNA and 62K cellular protein. A comparison of the 62K protein and EBNA by protease digestion did not reveal similar peptides.
MeSH Terms
Antibodies, Monoclonal
Antigens, Viral/immunology
Cell Line
Cross Reactions
Epitopes
Epstein-Barr Virus Nuclear Antigens
Herpesvirus 4, Human/immunology
Humans
Molecular Weight
Peptide Fragments/analysis
Proteins/immunology
Chemicals
Antibodies, Monoclonal
Antigens, Viral
Epitopes
Epstein-Barr Virus Nuclear Antigens
Peptide Fragments
Proteins
Authors & Affiliations
5 authors, click to expand affiliations / ORCID
Luka J
Kreofsky T
Pearson G R
Hennessy K
Kieff E
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18 references, click to expand
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