NEW HAVEN, Conn.--(BUSINESS WIRE)--Rib-X Pharmaceuticals, Inc., a development-stage antibiotics company with a broad product pipeline based on its innovative discovery platform, and Yale University today announced the discovery by Thomas Steitz, Ph.D., co-founder of Rib-X and Yale University professor, of important new ribosomal structures of antibiotics, enabling the potential creation of novel treatments for drug resistant infections, including resistant tuberculosis (TB).