passages.id: split_6_test_215_passage
passages.type: progene_text
passages.text: Sequence analysis revealed that in addition to a highly conserved motif found in a family of MutT - related proteins , PSU1 contains several alpha-helical leucine - rich motifs sharing the consensus sequence LLxPhiL ( x , any amino acid ; Phi , hydrophobic amino acid ) in regions that elicit either transactivation or NR - binding activity .