PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15525516-4 2004 In nucleosomes assembled on MMTV or mouse rDNA promoter sequences, SWI/SNF catalyzes ATP-dependent sliding of the histone octamer followed only on the MMTV promoter by displacement of histones H2A and H2B. Adenosine Triphosphate 85-88 H2B clustered histone 21 Homo sapiens 201-204