The DM domain is named after dsx and mab-3. dsx contains a single amino-terminal DM domain, whereas mab-3 contains two amino-terminal domains. The DM domain has a pattern of conserved zinc chelating residues C2H2C4. The dsx DM domain has been shown to dimerize and bind palindromic DNA.
Jiyao W et al.(2023). "The conserved domain database in 2023.",