>sp|P84244|H33_MOUSE Histone H3.3 OS=Mus musculus GN=H3-3a MARTKQTARKSTGGKAPRKQLATKAARKSAPSTGGVKKPHRYRPGTVALREIRRYQKSTE LLIRKLPFQRLVREIAQDFKTDLRFQSAAIGALQEASEAYLVGLFEDTNLCAIHAKRVTI MPKDIQLARRIRGERA