>tr|C3U1R6|C3U1R6_MOUSE Protamine-2 OS=Mus musculus musculus GN=Prm2 MVRYRMRSPSEGPHQGPGQDHEREEQGQGQGLSPERVEDYGRTHRGHHHHRHRRCSRKRL HRIHKRRRSCRRRRRHSCRHRRRHRRGCRRSRRRRRCRCRKCRRHHH