Noonan Syndrome 3, also known as ns3, is related to hepatitis c virus and hepatitis c. An important gene associated with Noonan Syndrome 3 is KRAS (KRAS Proto-Oncogene, GTPase), and among its related pathways/superpathways are Signal Transduction and Class I MHC mediated antigen processing and presentation. Affiliated tissues include heart and skin, and related phenotypes are global developmental delay and hypertelorism