Evidence that conserved residues Cys-62 and Cys-154 within the Azotobacter vinelandii nitrogenase MoFe protein α-subunit are essential for nitrogenase activity but conserved residues His-83 and Cys-88 are not.

Altered nitrogenase MoFe proteins from Azotobacter vinelandii. Analysis of MoFe proteins having amino acid substitutions for the conserved cysteine residues within the beta-subunit.

Nitrogenase activity of immobilized Azotobacter vinelandii.

Nitrogenase MoFe protein from Clostridium pasteurianum at 1.08 Å resolution: comparison with the Azotobacter vinelandii MoFe protein.

Nitrogenase XI: Mössbauer studies on the cofactor centers of the MoFe protein from Azotobacter vinelandii OP.

Nitrogenase: properties of the catalytically inactive complex between the Azotobacter vinelandii MoFe protein and the Clostridium pasteurianum Fe protein.

Highly conserved residues in the bZIP domain of yeast GCN4 are not essential for DNA binding.

Nitrogenase X: Mössbauer and EPR studies on reversibly oxidized MoFe protein from Azotobacter vinelandii OP. Nature of the iron centers.

disulfide exchange.

ATP synthetase associated with the nitrogenase of Azotobacter vinelandii.

Molecular weights of nitrogenase components from Azotobacter vinelandii.

Selective inactivation of nitrogenase in Azotobacter vinelandii batch cultures.

Aerobic Hydrogen Production via Nitrogenase in Azotobacter vinelandii CA6.

Role for the nitrogenase MoFe protein alpha-subunit in FeMo-cofactor binding and catalysis.

The molecular weight of, and evidence for two types of subunits in, the molybdenum-iron protein of Azotobacter vinelandii nitrogenase.

A region of group I introns that contains universally conserved residues but is not essential for self-splicing.

A reinvestigation of the pre-steady-state ATPase activity of the nitrogenase from Azotobacter vinelandii.

Conserved cysteine residues in the human immunodeficiency virus type 1 transmembrane envelope protein are essential for precursor envelope cleavage.

Nucleotide sequences and mutational analysis of the structural genes for nitrogenase 2 of Azotobacter vinelandii.

Dependence of oxygen-tolerant nitrogenase activity on divalent cations in Azotobacter vinelandii.

Fe protein-independent substrate reduction by nitrogenase MoFe protein variants.

2e values, and energy requirements for reactions catalyzed by nitrogenase from Azotobacter vinelandii.

Identification of amino acid residues of Ras protein that are essential for signal-transducing activity but not for enhancement of GTPase activity by GAP.

AtNHX5 and AtNHX6 Control Cellular K+ and pH Homeostasis in Arabidopsis: Three Conserved Acidic Residues Are Essential for K+ Transport.

Dispersed and conserved hydrophobic residues of HIV-1 Vif are essential for CBFβ recruitment and A3G suppression.

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Altered nitrogenase MoFe proteins from Azotobacter vinelandii. Analysis of MoFe proteins having amino acid substitutions for the conserved cysteine residues within the beta-subunit.

Nitrogenase activity of immobilized Azotobacter vinelandii.

Nitrogenase MoFe protein from Clostridium pasteurianum at 1.08 Å resolution: comparison with the Azotobacter vinelandii MoFe protein.

Nitrogenase XI: Mössbauer studies on the cofactor centers of the MoFe protein from Azotobacter vinelandii OP.

Nitrogenase: properties of the catalytically inactive complex between the Azotobacter vinelandii MoFe protein and the Clostridium pasteurianum Fe protein.

Highly conserved residues in the bZIP domain of yeast GCN4 are not essential for DNA binding.

Nitrogenase X: Mössbauer and EPR studies on reversibly oxidized MoFe protein from Azotobacter vinelandii OP. Nature of the iron centers.

disulfide exchange.

ATP synthetase associated with the nitrogenase of Azotobacter vinelandii.

Molecular weights of nitrogenase components from Azotobacter vinelandii.

Selective inactivation of nitrogenase in Azotobacter vinelandii batch cultures.

Aerobic Hydrogen Production via Nitrogenase in Azotobacter vinelandii CA6.

Role for the nitrogenase MoFe protein alpha-subunit in FeMo-cofactor binding and catalysis.

The molecular weight of, and evidence for two types of subunits in, the molybdenum-iron protein of Azotobacter vinelandii nitrogenase.

A region of group I introns that contains universally conserved residues but is not essential for self-splicing.

A reinvestigation of the pre-steady-state ATPase activity of the nitrogenase from Azotobacter vinelandii.

Conserved cysteine residues in the human immunodeficiency virus type 1 transmembrane envelope protein are essential for precursor envelope cleavage.

Nucleotide sequences and mutational analysis of the structural genes for nitrogenase 2 of Azotobacter vinelandii.

Dependence of oxygen-tolerant nitrogenase activity on divalent cations in Azotobacter vinelandii.

Fe protein-independent substrate reduction by nitrogenase MoFe protein variants.

2e values, and energy requirements for reactions catalyzed by nitrogenase from Azotobacter vinelandii.

Identification of amino acid residues of Ras protein that are essential for signal-transducing activity but not for enhancement of GTPase activity by GAP.

AtNHX5 and AtNHX6 Control Cellular K+ and pH Homeostasis in Arabidopsis: Three Conserved Acidic Residues Are Essential for K+ Transport.

Dispersed and conserved hydrophobic residues of HIV-1 Vif are essential for CBFβ recruitment and A3G suppression.

Evidence that conserved residues Cys-62 and Cys-154 within the Azotobacter vinelandii nitrogenase MoFe protein α-subunit are essential for nitrogenase activity but conserved residues His-83 and Cys-88 are not.

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