passages.id: split_8_test_71_passage
passages.type: progene_text
passages.text: DOA4 - UBP5 chimeras were made by a novel PCR / yeast recombination method and used to identify an N-terminal 310 - residue domain of Doa4 that , when appended to the catalytic domain of Ubp5 , conferred Doa4 function , consistent with Ubp enzymes having a modular architecture .