Cloning of the murine lymphocyte function-associated molecule-1 alpha-subunit and its expression in COS cells - PubMed (original) (raw)

. 1991 Jul 1;147(1):369-74.

Affiliations

PMID: 2051027

Cloning of the murine lymphocyte function-associated molecule-1 alpha-subunit and its expression in COS cells

Y Kaufmann et al. J Immunol. 1991.

Abstract

The lymphocyte function-associated molecule 1 (LFA-1, CD11a/CD18) is an integrin that mediates adhesion of immune cells by interaction with two members of the Ig superfamily, ICAM-1 and ICAM-2. LFA-1 consists of an alpha subunit (Mr = 180,000) and a beta subunit (Mr = 95,000). We report here the isolation and expression of the murine alpha subunit cDNA (GenBank accession no. M60778). The deduced sequence comprises a 1061 amino acid extracellular domain, a 29 amino acid transmembrane region, and a 50 amino acid cytoplasmic domain. It has a 72% amino acid identity with its human counterpart and 34% identity with the murine Mac-1 alpha subunit. The murine LFA-1 alpha subunit could be expressed on the cell surface of a fibroblastoid cell line, COS, by cotransfection with either the human or murine beta subunit cDNA.

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Cloning of the murine lymphocyte function-associated molecule-1 alpha-subunit and its expression in COS cells - PubMed (original) (raw)