Table 2 Number of transcription factor binding sites (TFBSs) and corresponding transcription factors (TFs) families identified in the promoter sequences of globe artichoke PPO genes.

From: Structural and expression analysis of polyphenol oxidases potentially involved in globe artichoke (C. cardunculus var. scolymus L.) tissue browning

Gene

Total number of TFBS

Total number of TF family

PPO1

67

29

PPO2

46

21

PPO3

58

24

PPO4

68

23

PPO5

62

21

PPO6

48

18

PPO7

92

23

PPO8

58

19

PPO9

52

22

PPO10

150

26

PPO11

51

23