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Functionally important conserved amino-acids in interferon-alpha 2 identified with analogues produced from synthetic
Biochemical and Biophysical Research Communications
|February 13, 1986
Abstract:
A gene was chemically synthesised and expressed in Escherichia coli to produce [Ala30,32,33]IFN-alpha 2, an analogue of human alpha 2-interferon (IFN-alpha 2) which is devoid of activity on human cells. Eight additional analogues provided single changes in IFN-alpha 2 at each of these three conserved positions. No one residue is essential for activity, but both antiviral and anti-proliferative activity are particularly sensitive to changes in the side-chain of Arg33.