>9NCX_1|Chains A, B, C, D|Engineered fluorescent biosensor NitrOFF1 "ON" State|Escherichia coli (562) SKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTLKFICTTGKLPVPWPTLVTTLTYGVQCFSRYPDHMKQHDFFKSAMPEGYIQERTIFFKDDGNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLVYNLDNVIVSDYFDYQDALDEIRETEKFDFAAIALPEDGPHSAVIKWKYASGNIDYRYRMIVLRPGEGLAGLVIRTGSRKIVEDVDTELSQNDKLGCPIVLSEALTALVAIPLWKNNRVYGALLLGQREGRPLPEGSTTFRVNQRLGSYTDNINKQGNVYIKADKQKNGIKANFKIRHSIEDGGVQLAYHYQQNTPIGDGPVLLPDDHYLSVQSELSKDPNEKRDHMVLLEFVTAAGITLGMDELYK