>tr|F5A4V1|F5A4V1_MUSMB Protamine 3 OS=Mus musculus bactrianus MGSRCAKLSTGHGPAQNTGHSRGHESSMKKLVACVSQDNFSLSSEGEEEEEDEEEEEEEE EEEEEEQIPVKGKLLLLEPEKQESAEDGEAQPSPEPKQTHS