This domain family is found in eukaryotes, and is approximately 60 amino acids in length. The family is found in association with Pfam:PF00689, Pfam:PF00122, Pfam:PF00702, Pfam:PF00690. There is a conserved QTQ sequence motif. This family is the C terminal of a calcium transporting ATPase located in the plasma membrane.

1: Plasma membrane calcium ATPase required for semicircular canal formation and otolith growth in the zebrafish inner ear. Cruz S, Shiao JC, Liao BK, Huang CJ, Hwang PP; J Exp Biol. 2009;212:639-647. PMID:19218514