OnCo

RSF1 (Remodeling and spacing factor 1) is a protein that switches other genes on and off. The public catalogues list it as a drug target and a biomarker, and clinical evidence ties its variants to diagnosis, prognosis or drug response. Tied to Breast cancer. This dossier gathers the 0 products (0 approved), 0 trials, 0 pathways and 0 resistance routes in the corpus that involve it, with external identifiers so it can be joined to UniProt, ChEMBL, Open Targets and the rest of biology.

Biology

Regulatory subunit of the ATP-dependent RSF-1 and RSF-5 ISWI chromatin-remodeling complexes, which form ordered nucleosome arrays on chromatin and facilitate access to DNA during DNA-templated processes such as DNA replication, transcription, and repair. Binds to core histones together with SMARCA5, and is required for the assembly of regular nucleosome arrays by the RSF-5 ISWI chromatin-remodeling complex. Directly stimulates the ATPase activity of SMARCA1 and SMARCA5 in the RSF-1 and RSF-5 ISWI chromatin-remodeling complexes, respectively. The RSF-1 ISWI chromatin remodeling complex has a lower ATP hydrolysis rate than the RSF-5 ISWI chromatin-remodeling complex. The complexes do not have the ability to slide mononucleosomes to the centre of a DNA template. Facilitates transcription of hepatitis B virus (HBV) genes by the pX transcription activator. Location: Nucleus (UniProt). Locus 11q14.1 (HGNC).

Where it is found
  • Breast cancer: CIViC evidence names this disease
Class: transcription · Gene: RSF1 · Facts checked 2026-09-23 · Target page

External identifiers

Built from HGNC, Ensembl, UniProt and ChEMBL ids

Products by modality and phase

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Resistance routes

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Companion diagnostics

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Literature

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Query for this target: (TITLE:"RSF1" OR ABSTRACT:"RSF1" OR TITLE:"remodeling and spacing factor 1" OR ABSTRACT:"remodeling and spacing factor 1" OR TITLE:"Remodeling and spacing factor 1" OR ABSTRACT:"Remodeling and spacing factor 1" OR TITLE:"XAP8" OR ABSTRACT:"XAP8" OR TITLE:"RSF-1" OR ABSTRACT:"RSF-1" OR TITLE:"p325" OR ABSTRACT:"p325") AND (cancer OR tumor OR tumour OR oncology OR carcinoma OR lymphoma OR leukemia OR leukaemia OR myeloma OR sarcoma OR melanoma OR glioma). Results are unfiltered search hits about RSF1, not a curated reading list.

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The dossier as machine-readable JSON: identifiers from HGNC, Ensembl, UniProt and ChEMBL, products with status, trials, pathways, hotspots, open questions and assays. The full entity record is in the open API at /api/v1/entities/rsf1.json. Licence CC BY-NC 4.0.