pfam09655: Nitr_red_assoc (490526 is an unknown moldel)
Conserved nitrate reductase-associated protein (Nitr_red_assoc)
Proteins in this entry are found in the Cyanobacteria, and are mostly encoded near nitrate reductase and molybdopterin biosynthesis genes. Molybdopterin guanine dinucleotide is a cofactor for nitrate reductase. These proteins are sometimes annotated as nitrate reductase-associated proteins, though their function is unknown.