passages.id: split_5_test_2672_passage
passages.type: progene_text
passages.text: Based on the sequence similarity of the RIPE3b element and the consensus binding sequence of the Maf family of basic leucine zipper transcription factors , we here identified mammalian homologue of avian MafA / L-Maf , an eye - specific member of the Maf family , as the RIPE3b - binding transcriptional activator .