Rovalpituzumab (Anti-DLL3) is a humanized monoclonal antibody targeting delta-like protein 3 (DLL3). Rovalpituzumab can be used in the synthesis of antibody-drug conjugate (ADC), Rovalpituzumab Tesirine. Rovalpituzumab has activity against small cell lung cancer (SCLC). MW: 145.5 KD.