Enables cis-regulatory region sequence-specific DNA binding activity. Predicted to be involved in histone H3-K4 methylation and positive regulation of transcription, DNA-templated. Predicted to be located in cytosol; nuclear matrix; and nuclear speck. Predicted to be part of Set1C/COMPASS complex. Orthologous to human CXXC1 (CXXC finger protein 1). [provided by Alliance of Genome Resources, Apr 2022]