1.7.7.1	aNiR, assimilatory NiR, assimilatory nitrite reductase, CYME_CMG021C, CYME_CMJ117C, ferredoxin-nitrite reductase, ferredoxin:nitrite oxidoreductase, ferredoxin:nitrite reductase, Nii1, nii3, nii4, NiR, NiR1, NirA, nitrite reductase, NrfA, NrfH, reductase, ferredoxin-nitrite, SiRA, SirB