passages.id: split_8_test_629_passage
passages.type: progene_text
passages.text: The structural gene TRM1 encoding tRNA ( guanine 26 , N ( 2 ) , N ( 2 ) ) - dimethyltransferase ( Trm1p ) of the hyperthermophilic archaeon Pyrococcus furiosus was cloned and expressed in Escherichia coli .