UniProt functional annotation for P0A4U6

UniProt code: P0A4U6.

Organism: Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576).
Taxonomy: Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Nostoc.
 
Function: Required for full expression of proteins subject to ammonium repression. Transcriptional activator of genes subject to nitrogen control.
 
Function: Has affinity for the xisA upstream region. Binds to a 66 bp region containing three repeats of the consensus recognition sequence 5'-ACATT-3'.
 

Annotations taken from UniProtKB at the EBI.