This family of proteins is found in bacteria. Proteins in this family are typically between 173 and 191 amino acids in length. PixA is thought to be specifically produced in Xenorhabdus nematophila. It is an inclusion body protein.

1: Analysis of the PixA inclusion body protein of Xenorhabdus nematophila. Goetsch M, Owen H, Goldman B, Forst S; J Bacteriol. 2006;188:2706-2710. PMID:16547059