GO:0031213

An ISWI complex that contains an ATPase subunit of the ISWI family (SNF2H in mammals) and an RSF1 homolog. It mediates nucleosome deposition and generates regularly spaced nucleosome arrays. In mammals, RSF is involved in regulation of transcription from RNA polymerase II promoters). [GOC:krc, PMID:12972596, PMID:15284901, PMID:16568949, PMID:21810179]