Short verdict: Keep, but note remodeler families have opposing effects depending on complex composition and recruitment.
What the current graph claims
Node definition: ATP-dependent chromatin remodeling complexes that reposition, evict, slide, or exchange nucleosomes.
Incoming edges:
OPENER -> SHUFFLER: acetyl marks / recruit readers/remodelers [context/dashed]
KEYS -> SHUFFLER: TF→BAF/SWI-SNF / recruitment
Outgoing edges:
SHUFFLER -> KEYS: nucleosome / remodeling
Literature-grounded assessment
What is strongly supported: SWI/SNF/BAF, ISWI, CHD, and INO80 families are central regulators of nucleosome positioning and access; mutations in BAF complexes strongly affect development and cancer.
What is context-dependent: The same family can open, close, phase, or exchange nucleosomes depending on subunit composition and genomic context.
What is weak, controversial, or assay-biased: “Open chromatin” framing can overgeneralize: remodelers also maintain nucleosome organization and repression.
What may be duplicate biology under another name: Overlaps with OPENER and KEYS recruitment.
Missing or excessive graph structure
Missing edges: Add SHUFFLER -> SCRIBE or BRIDGES context? Remodelers affect promoter/enhancer accessibility and sometimes 3D contacts.
Excess edges: None major.
Candidate splits: No split at this map scale.
Candidate merges: No merge.
Candidate renames: REMODELER would be clearer.
Recommendation
Concrete graph change, if any: Keep; wording should emphasize family-specific and bidirectional chromatin effects.
Concrete technical-notes/blog wording change, if any: Mirror the graph recommendation in the glossary and relation catalogue, and explicitly mark the confidence/caveat where the claim is context-dependent or assay-sensitive.
Key sources
PMID 30069008 — review of ATP-dependent chromatin remodelers.
PMID 31597971 — BAF/SWI-SNF complexes in development and disease.
PMID 34385722 — chromatin remodeler mechanisms and nucleosome organization review.
PMID 26383031 — histone marks recruiting remodeler readers context.