Binds to scaffold/matrix attachment region (S/MAR) DNA and forms a molecular assembly point to allow the formation of a 'transcriptosomal' complex (consisting of SR proteins and RNA polymerase II) coupling transcription and RNA processing. Safb1 Safb 931 MAETLSGLGDSGAASAAAVSSAASETGTRRLSDLRVIDLRAELRKRNLTSSGNKSVLMERLKKAIEEEGGNPDEIEVISEGNKKMPKRPSKGKKPEDEGVEDNGLEENSGDGQEDVETSLENLQDMDMMDISVLDEADIDNGSVADCVEEEEEATLPEGLGLLRIGRLQSKGLPEQLQELAIDDKEAINNVDTSSSDFTILQEMEEASLEPENEKILDILGETCKSEPVKEEGSELEQPFAQATSSVGPDRKLAEEEDLFESCGHPEEEEEEEEEEEQEEEQEEEGDLALASSSKSESSSTRCQWSEADALLAVVKREPAEAPGGGTGMDREPVGLEEPVEQSSTAAQLPETTSQELVRAPTAAPSPEPRDSKDDVKKFAFDACNDVPAAPKESSASEGADQKMSSVEDDSDTKRLSREEKGRSSCGRNFWVSGLSSTTRATDLKNLFSRYGKVVGAKVVTNARSPGARCYGFVTMSTAEEATKCINHLHKTELHGKMISVEKAKSEPAGKRVPDRRDGDSKKEKTSTSDRSANLKREEKGDRKDDAKKTDDGSTEKSKDADDQKPGPSERSRTTKSGSRGTERTVVMDKSKGVPVISVKTSGSKERASKSQDRKSVSREKRSVVSFDKVKESRKSRDSESRRERERERSEREQRLQAQWEREERERLEIARERLAFHRHRLERERMERERLERERMHVEQERRREQERIHREREELRRQQELRYEQERRPAVRRPYEVDGRRDDAYWPEAKRAALDDRYHSDFSRQDRFHDFDHRDRGRYPNHSVDRREGSRSMMGDREGQHYPERHGGPERHGRDSRDGWGYGSNKRLSEGRGLPLLPRRDWGEHARRLEDDRAWQGTADGGMMERDQQRWQGGERSMSGHSGPGHMMNRGGMSGRGSFAPGGASRRHVIPRGGMQAGFGGTEPGQQTQ Scaffold attachment factor B1 SAFB1_RAT