Supplemental Material for Shinkai, Kuramochi, and Doi, 2018 ShinkaiYoichi KuramochiMasahiro DoiMotomichi 2018 Supplementary Figure1 contains the Z-stack images of the nucleus of ALN neuron expressing H4K20me1-mintbody and mTurquoise2::LacI. Supplementary Figure2 contains the pictures of intestinal nucleus. Supplementary Figure3 contains the pictures of intestinal nucleus expressing a general chromatin marker. Supplementary Figure4 contains the pictures showing H4K20me1 deposition on integrated arrays. Supplementary Figure5 contains time-lapse images of H4K20me1-mintbody. Supplementary Movie1 contains a rotation movie of maximum intensity projection image of 9 sections shown in Supplementary Figure 1.