Protein
Global nitrogen regulator NrpR
Organism
Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440)
Function
Transcriptional repressor of nitrogen fixation and assimilation genes. Binds to two tandem operators in the glnA and nif promoters, thereby blocking transcription of the genes.
Similarity
Belongs to the NrpR family.
Sequence
MIIMADLDRKLIEILDILSKSKEPVGAKIIAKELNKRGYKIGERAVRYHLKLLDGMKLTKKVGYAGRVITERGLEELEKANISYRLGSIYSNILEKTISANYRFGYVVINRCQVYADFNDVLKIIKSVYESGLAVGDRVGIIDREKFVEINTLCSLNFDNILLQNGIFPLHVCAGVVKYEDGKPVEFKEIIDYKSTSIDPLRAFIEKKETDVMGIIENGEGYLPANFRYFGVEFLERFETILEIDELKCIISYGTENVLGLDVGDDKVGVALIGGLTPIAPFVENNYCVEICPMSSIVRLESLHKLKKNPRDIVTKKANIRIKTALSKMFNAMAKVTYDIDEADGDVIVNTAFIDKKYLDEAFDILKEAYKKGLGISDRFGIVEENDRIKIQTICAVTLDGIFLRNSVPLIPKYGGILEITEDKERFIDIIGYDGSSLDPHEVFFNFVDCEKTFLAGFREVHRVAREKLEEVLKKLNWNGIKAIGEPNNELYGIGVNKDMCGVVTMGGINPLVLLKENEIPIELKAMHEVVRFSDLKSYKEI