Immunogen sequence: GLTPGLPYPH QTPQGLMPYG QPRPPILGYG AGAVRPAVPT GGPPYPHAPY GAGRGNYDAF RGQGGYPGKP RNRMVRGDPR AIVEYRDLDA PDDVDFF. Acts as a mediator between the cap-binding complex (CBC) and the primary microRNAs (miRNAs) processing machinery during cell p