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Cytokine. 1999 Aug;11(8):541-51.

Characterization of the cDNA and gene for mouse tumour necrosis factor alpha converting enzyme (TACE/ADAM17) and its location to mouse chromosome 12 and human chromosome 2p25.

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  • 1Immunex Corporation, 51 University St., Seattle, WA, 98101, USA. cerretti@immunex.com


Numerous proteins are cleaved or "shed" from their membrane-bound form. One such protein, tumour necrosis factor alpha (TNF-alpha), is synthesized as a type 2 transmembrane protein. Recently, a human protease responsible for this shedding, the TNF-alpha converting enzyme (TACE/ADAM17), was isolated. TACE/ADAM17 is a member of the adamalysin class of zinc-binding metalloproteases or ADAM (a disintegrin and metalloprotease). We report the isolation and characterization of the mouse TACE/ADAM17 cDNA and gene. Mouse TACE/ADAM17 has a 92% amino-acid identity with the human protein and was ubiquitously expressed. A recombinant form of the protease is found to cleave a peptide representing the cleavage site of precursor mouse TNF-alpha. An alternatively spliced form of mouse TACE/ADAM17 was found that would produce a soluble protein. The gene for TACE/ADAM17 is approximately 50 kb and contains 19 exons. Chromosomal mapping places TACE/ADAM17 on mouse chromosome 12 and human chromosome 2p25.

Copyright 1999 Academic Press.

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