has part occurs in nucleosome histone binding chromatin-protein adaptor activity histone reader activity https://github.com/geneontology/go-ontology/issues/20551 https://github.com/geneontology/go-ontology/issues/22136 pg 2020-12-11T13:25:49Z epigenetic reader A chromatin adaptor activity that brings together a protein and a specific form of histone, either modified by a post-translational modification, or the unmodified form. Histone readers have roles in many processes, including in centromere function or in modulating the accessibility of cis-regulatory regions to the transcription machinery. molecular_function GO:0140566 histone reader