passages.id: split_4_test_3335_passage
passages.type: progene_text
passages.text: In spite of their similar immunofluorescence patterns , 2C and 3A co - localized partially by confocal microscopy at 3.5 h p.i. , and 3A , but not 2C , co - localized with the ER marker calreticulin , suggesting differences in the distribution of these proteins and/or their precursors as infection proceeded .