1.17.4.2 cytoplasm in response to DNA replication, subunit M2B redistributes from the cytoplasm to the nucleus 5737 671912 1.17.4.2 cytoplasm the subcellular localization of RNR2 is primarily nuclear in meristematic regions, and cytoplasmic in adult cells. RNR2 is constitutively nuclear in csn7 mutant seedlings 5737 -, 716563 1.17.4.2 nucleus in response to DNA replication, subunit M2B redistributes from the cytoplasm to the nucleus 5634 671912 1.17.4.2 nucleus the subcellular localization of RNR2 is primarily nuclear in meristematic regions, and cytoplasmic in adult cells. RNR2 is constitutively nuclear in csn7 mutant seedlings 5634 -, 716563