passages.id: split_6_test_1005_passage
passages.type: progene_text
passages.text: The emission ratio ( acceptor / donor ) was increased 2 - fold ( p < 0.05 ) in cells expressing Ht31 . ECFP and RII . EYFP compared with cells expressing Ht31P . ECFP , the inactive form of Ht31 , and RII . EYFP .