| Literature DB >> 3517854 |
D P Cerretti, K McKereghan, A Larsen, M A Cantrell, D Anderson, S Gillis, D Cosman, P E Baker.
Abstract
Interleukin 2 (IL-2) cDNA clones have been isolated from both human and murine sources. We report here the isolation of a cDNA clone encoding bovine IL-2. This was accomplished by screening a cDNA library constructed from lectin-stimulated bovine lymph node cells, using a human IL-2 probe. Bovine IL-2 is composed of 155 amino acids and has a predicted molecular weight of 19,555. Alignment of the amino acid sequence with human IL-2 indicates that mature bovine IL-2 is composed of 135 amino acids and has a predicted molecular weight of 15,452. It has an amino acid homology of 65% with human IL-2 and 50% with murine IL-2. Bovine IL-2 is unique among IL-2 homologs in that it has a single N-linked glycosylation site. Biologically active bovine IL-2 was synthesized in an Escherichia coli expression system.Entities:
Mesh:
Substances:
Year: 1986 PMID: 3517854 PMCID: PMC323485 DOI: 10.1073/pnas.83.10.3223
Source DB: PubMed Journal: Proc Natl Acad Sci U S A ISSN: 0027-8424 Impact factor: 11.205