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Three-dimensional structure of recombinant human interferon-gamma.
Department of Pharmacology, University of Alabama, Birmingham 35294.
The x-ray crystal structure of recombinant human interferon-gamma has been determined with the use of multiple-isomorphous-replacement techniques. Interferon-gamma, which is dimeric in solution, crystallizes with two dimers related by a noncrystallographic twofold axis in the asymmetric unit. The protein is primarily alpha helical, with six helices in each subunit that comprise approximately 62 percent of the structure; there is no beta sheet. The dimeric structure of human interferon-gamma is stabilized by the intertwining of helices across the subunit interface with multiple intersubunit interactions.
PMID: 1902591 [PubMed - indexed for MEDLINE]
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Structures reported by this article