Homologs of EX31_RS06555 from Rahnella sp. WP5
nitrate/nitrite two-component system sensor histidine kinase NarX
SEED: Nitrate/nitrite sensor protein (EC 2.7.3.-)
KEGG: two-component system, NarL family, nitrate/nitrite sensor histidine kinase NarX
Top 100 hits from BLASTp (E < 0.01)
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