7y5l: Difference between revisions

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== Function ==
== Function ==
[https://www.uniprot.org/uniprot/RBBP4_HUMAN RBBP4_HUMAN] Core histone-binding subunit that may target chromatin assembly factors, chromatin remodeling factors and histone deacetylases to their histone substrates in a manner that is regulated by nucleosomal DNA. Component of several complexes which regulate chromatin metabolism. These include the chromatin assembly factor 1 (CAF-1) complex, which is required for chromatin assembly following DNA replication and DNA repair; the core histone deacetylase (HDAC) complex, which promotes histone deacetylation and consequent transcriptional repression; the nucleosome remodeling and histone deacetylase complex (the NuRD complex), which promotes transcriptional repression by histone deacetylation and nucleosome remodeling; the PRC2/EED-EZH2 complex, which promotes repression of homeotic genes during development; and the NURF (nucleosome remodeling factor) complex.<ref>PMID:10866654</ref>
[https://www.uniprot.org/uniprot/CAF1A_HUMAN CAF1A_HUMAN] Acts as a component of the histone chaperone complex chromatin assembly factor 1 (CAF-1), which assembles histone octamers onto DNA during replication and repair. CAF-1 performs the first step of the nucleosome assembly process, bringing newly synthesized histones H3 and H4 to replicating DNA; histones H2A/H2B can bind to this chromatin precursor subsequent to DNA replication to complete the histone octamer. It may play a role in heterochromatin maintenance in proliferating cells by bringing newly synthesized cbx proteins to heterochromatic DNA replication foci.[UniProtKB:Q5R1T0]
== References ==
 
<references/>
==See Also==
*[[Retinoblastoma-binding protein 3D structures|Retinoblastoma-binding protein 3D structures]]
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Latest revision as of 08:37, 4 March 2026

Crystal structure of human CAF-1 core complex in spacegroup C2

7y5l, resolution 3.42Å

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