Enables methylated histone binding activity. Predicted to be involved in histone H3-K4 methylation and positive regulation of transcription, DNA-templated. Located in nuclear matrix. Is expressed in several structures, including central nervous system; early conceptus; genitourinary system; limb; and retina. Orthologous to human CXXC1 (CXXC finger protein 1). [provided by Alliance of Genome Resources, Apr 2022]