passages.id: split_1_test_3089_passage
passages.type: progene_text
passages.text: RNAs coding for 22 kDa alpha-zein , 15 kDa beta-zein , 27 kDa gamma - zein and 10 kDa delta-zein were localized to ER - bounded zein protein bodies , whereas 51 kDa legumin-1 RNAs were distributed on adjacent cisternal ER proximal to the zein protein bodies .