>tr|A0A2Z5WL88|A0A2Z5WL88_9BILA Histone H3 OS=Xenoturbella japonica GN=H3 MARTKQTARKSTGGKAPRKQLATKAARKSAPATGGVKKPHRYRPGTVALREIRRYQKSTE LLIRKLPFQRLVREIAQDFKTDLRFQSSAVMALQEASEAYLVGLFEDTNLCAIHAKRVTI MPKDIQLARRIRGERA