Conserved Amino Acid Sequence Features in the α Subunits of MoFe, VFe, and FeFe Nitrogenases Glazer, Alexander N. ; Kechris, Katerina J. Abstract Publication: PLoS ONE Pub Date: July 2009 DOI: 10.1371/journal.pone.0006136 Bibcode: 2009PLoSO...4.6136G