Complex of human EZH1, GenBank Accession No. NM_001991, a.a. 2- end with N-terminal His-tag, MW=86 kDa, human EED, GenBank Accession No. NM_003797, a.a. 2-end with N-terminal FLAG-tag, MW=51 kDa, human SUZ12, GenBank Accession No. NM_015355, a.a. 2- end with N-terminal His-tag, MW=88 kDa, human AEBP2, GenBank Accession No. NM_153207, a.a. 2-end with N-terminal His-tag, MW=54 kDa, and human RbAp48, GenBank Accession No. NM_005610, a.a. 2- end with N-terminal His-tag, MW=48 kDa, coexpressed in baculovirus expression system.