Predicted to enable chromatin binding activity and methylated histone binding activity. Acts upstream of or within embryonic skeletal system development. Predicted to be active in nucleus. Is expressed in several structures, including blastocyst; early embryo; forelimb bud; gonad; and neural retina. Orthologous to human MBTD1 (mbt domain containing 1). [provided by Alliance of Genome Resources, Apr 2022]