This domain has been called BAH (Bromo adjacent homology) domain and has also been called ELM1 and BAM (Bromo adjacent motif) domain. The function of this domain is unknown but may be involved in protein-protein interaction [3].

1: Molecular cloning of polybromo, a nuclear protein containing multiple domains including five bromodomains, a truncated HMG-box, and two repeats of a novel domain. Nicolas RH, Goodwin GH; Gene 1996;175:233-240. PMID:8917104

2: The BAH (bromo-adjacent homology) domain: a link between DNA methylation, replication and transcriptional regulation. Callebaut I, Courvalin J-C, Mornon JP; FEBS letts 1999;446:189-193. PMID:10100640

3: Crystal structure of the proximal BAH domain of the polybromo protein. Oliver AW, Jones SA, Roe SM, Matthews S, Goodwin GH, Pearl LH; Biochem J. 2005;389:657-664. PMID:15839835