From 2007.igem.org

COG5000 Location:99–249 Blast Score:90 NtrY; Signal transduction histidine kinase involved in nitrogen fixation and metabolism regulation [Signal transduction mechanisms]

smart00283 Location:239–446 Blast Score:277 MA; Methyl-accepting chemotaxis-like domains (chemotaxis sensory transducer). Thought to undergo reversible methylation in response to attractants or repellants during bacterial chemotaxis.

pfam00672 Location:99–133 Blast Score:85 HAMP; HAMP domain.