Profile: Medical Isotopes, Inc. (Viral Vector Products) is a supplier of gene therapy tools for the treatment of diseases. CDC25A is a member of the CDC25 family of dual-specificity phosphatases. Dual-specificity protein phosphatases remove phosphate groups from phosphorylated tyrosine & serine/threonine residues. They represent a sub-group of the tyrosine phosphatase family (as opposed to the serine/threonine phosphatase family. Ad(RGD)-CMV-GFP human type 5 adenovirus product, under control of a CMV promoter, expresses eGFP. eGFP is easily visualized under fluorescent microscopy, and is very useful in the determination of transduction efficiency & optimization of viral infection. GFP also serves as a useful control for comparison with other recombinant adenoviruses.