序列:ARTK(me2)QTARKS TGGKAPRKQL ATKAARKSAP ATGGVKKPHR YRPGTVALRE IRRYQKSTEL LIRKLPFQRL
VREIAQDFKT DLRFQSSAVM ALQEACEAYL VGLFEDTNLC AIHAKRVTIM PKDIQLARRI RGERA
Histone modifications are associated with distinct transcription states and serve as heritable epigenetic markers for chromatin structure and function..Histone lysine4 methylation has been linked to transcription activation and repression .