>tr|A0A452R6Q8|A0A452R6Q8_URSAM Histone H3 OS=Ursus americanus MARTKQTARKSTGGKAPRKQLATKAARKSAPATGGVKKPHRYRPGTVALREIRRYQKSTE LLIRKLPFQRLVREIAQDFKTDLRFQSSAVMALQEACEAYLVGLFEDTNLCAIHAKRVTI MPKDIQLARRIRGERA