UCSC browser for human UCSC browser for mouse IL4 Hs IL4R Hs HoxA Hs HoxB Hs HoxC Hs HoxD Hs IL4 Mm IL4R Mm HoxA Mm HoxB Mm HoxC Mm HoxD Mm Human Chromosome 21,22 Tracks Histone + RNA TracksHG15 Warning -- may take a while for the UCSC browser to load and display the tracks.