PXK is a symbol for the gene, PX domain containing serine/threonine kinase, in humans. Other names include: PX domain-containing protein kinase-like protein; MONaKA; Modulator of Na,K-ATPase. The encoded protein has an amino acid length of 578 and a mass of 65.0 kDa. Other isoforms may exist. PXK is a member of the Protein kinase superfamily. This gene shares homology with other species, including: Mouse, Rat, Zebrafish, Frog, Chicken.