Frk has homologs in invertebrates such as flies and worms, and Src homologs exist in organisms as diverse as unicellular choanoflagellates, but the SrcA and SrcB subfamilies are specific to vertebrates.
Lamellar Lyotropic Digital Superior to Micellar Solution with regard to Proton Transferring within an Aqueous Solution of 1-Tetradecyl-3-methylimidazolium Hydrogen Sulfate.