NCIt definition : The Drosophila gene osa encodes a putative DNA binding protein that contains an AT-rich
interaction domain (ARID). It interacts genetically with Antp, ro, brm, Pc, Scr, and
several other genes. Similar sequences have been identified in Caenorhabditis elegans,
Homo sapiens, Mus musculus, and Saccharomyces cerevisiae. (from FlyBase 0003013 and
NCI);