This domain found in PHD finger protein 12 binds to the MRG domain of Mortality factor 4-like protein 1 [1].

1: Structural basis for molecular interactions involving MRG domains: implications in chromatin biology. Xie T, Graveline R, Kumar GS, Zhang Y, Krishnan A, David G, Radhakrishnan I; Structure. 2012;20:151-160. PMID:22244764