“…Horseradish peroxidase (HRP)-conjugates of goat anti-rat IgG, goat anti-rabbit IgG, goat anti-mouse IgG, and mouse IgG κ-binding protein were procured from Santa Cruz Biotechnology, Inc., Dallas, TX.Updated computational homology models of the Mus musculus (Mm) Purβ monomer and homodimer were generated based on Dm Purα crystal structures: 3K44 (Purα repeats I-II, no DNA) and 5FGO (two Purα repeats III, no DNA) 24,25. Cell culture media were procured from Mediatech, Inc., Manassas, VA. Fetal bovine serum (FBS) was purchased from Sigma-Aldrich, St. Louis, MO.…”