Binding to a Bcl-2 homology (BH) protein domain. Bcl-2-related proteins share homology in one to four conserved regions designated the Bcl-2 homology (BH) domains BH1, BH2, BH3 and BH4. These domains contribute at multiple levels to the function of these proteins in cell death and survival. Anti-apoptotic members of the Bcl-2 family have four BH domains (BH1-BH4). Pro-apoptotic members have fewer BH domains. [PMID:11048732, PMID:12133724, PMID:9020082, PMID:9704409]
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C5: Ontology GO: Gene Ontology GO:MF: GO Molecular Function
