Selective factor 1

酶II的不同。RNA聚合酶I轉錄前，UBTF先與起始位點上游100至200nt處的上游控制元件（UCE）結合，再與選擇因子I（英语：Selective factor 1）複合體（或稱TIF-IB）結合，促使上游控制元件與啟動子核心區域接觸，隨後RNA聚合酶I再與此複合體結合並開始轉錄；RNA聚合酶I

starvation-induced selective pressure on the adjacent HIS4 gene in Pichia pastoris. Acta Facultatis Pharmaceuticae Universitatis Comenianae. 1 December 2015

1021/jm00110a022.  Osherov N, Gazit A, Gilon C, Levitzki A. Selective inhibition of the epidermal growth factor and HER2/neu receptors by tyrphostins. J Biol Chem

Zhang D, Michel FJ, Blum JL, Simmen FA, Simmen RC. Selective interactions of Kruppel-like factor 9/basic transcription element-binding protein with progesterone

Odermatt A, Wolber G, Jordis U, Kueenburg B. Selective inhibition of 11beta-hydroxysteroid dehydrogenase 1 by 18alpha-glycyrrhetinic acid but not 18beta-glycyrrhetinic