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Comparative Study
. 1990 May 25;248(4958):1019-23.
doi: 10.1126/science.2160731.

A receptor for tumor necrosis factor defines an unusual family of cellular and viral proteins

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Comparative Study

A receptor for tumor necrosis factor defines an unusual family of cellular and viral proteins

C A Smith et al. Science. .

Abstract

Tumor necrosis factor alpha and beta (TNF-alpha and TNF-beta) bind surface receptors on a variety of cell types to mediate a wide range of immunological responses, inflammatory reactions, and anti-tumor effects. A cDNA clone encoding an integral membrane protein of 461 amino acids was isolated from a human lung fibroblast library by direct expression screening with radiolabeled TNF-alpha. The encoded receptor was also able to bind TNF-beta. The predicted cysteine-rich extracellular domain has extensive sequence similarity with five proteins, including nerve growth factor receptor and a transcriptionally active open reading frame from Shope fibroma virus, and thus defines a family of receptors.

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