passages.id: split_6_test_3085_passage
passages.type: progene_text
passages.text: EMSA and footprinting analyses have revealed that the - 489 -- - 414 bp and the - 390 - - - 345 bp ( designated DC and PC respectively ) upstream of the Aspergillus nigerT21 glaA gene were bound by one protein factor in the A. nigerT21 whole cell extract .