Immunogen sequence: KSVTPTKEFL KDEIKQEEET CKRISTITAL GHEGKQLVNG EVSDERVAPN FKTEPIETKF YETKEESYSP SKDRNIITEG NGTESLNSVI TSMKTGELEK. RSF1 is required for assembly of regular nucleosome arrays by the RSF chromatin remodelling complex. Rsf1 facilitates trans