A. Freikopf

Specificity of the glutamine-binding site involved in the reguation of glutamine-synthetase activity in hepatoma tissue-culture cells.

R. G. Kulka, A. Freikopf, 1975, European journal of biochemistry.

Glutamine-stimulated modification and degradation of glutamine synthetase in hepatoma tissue culture cells

R. G. Kulka, G. Arad, A. Freikopf, 1976, Cell.

Involvement of protein synthesis in the post-translational control of glutamine synthetase activity of cultured hepatoma cells.

R. G. Kulka, A. Freikopf, 1976, Biochemical and Biophysical Research Communications - BBRC.