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pro vyhledávání: '"Joe E. Lepo"'
Autor:
Joe E. Lepo, Orville Wyss
Publikováno v:
Biochemical and Biophysical Research Communications. 60:76-80
When nitrogenase in Azotobacter vinelandii 12837 is repressed by ammonia, the derepression is accelerated by endotoxin or cyclic AMP. The phenomenon appears neither to be a consequence of accelerated ammonia utilization nor altered activity of prefor
Publikováno v:
Biochimica et biophysica acta. 568(2)
We report the facile purification of glutamine synthetase ( l -glutamate: ammonia ligase (adenosine 5′-diphosphate-forming), EC 6.3.1.2) in both the adenylylated and unadenylylated form, from Azotobacter vinelandii ATCC 12837. A general affinity co
Publikováno v:
Biochimica et biophysica acta. 704(3)
We have investigated the regulation of the activity and synthesis of the glutamine synthetase (l-glutamate:ammonia ligase (ADP-forming), EC (6.3.1.2) of Azotobacter vinelandii. Synthesis of the enzyme was not repressed by NH+4 and/or a number of amin