When the reduced MoFe protein from Azotobacter vinelandii Lipmann was treated with o _phenanthroline and air, an inactive protein partially deficient in both FeMoco and P_cluster could be obtained.

• 棕色固氮菌(AzotobactervinelandiiLipmann)固氮酶MoFe蛋白经邻菲啉和空气处理后,成为部分缺失P_cluster和FeMoco的失活蛋白。