Table 5 Top 20 keywords in terms of frequency in FEN1 research

1

Flap endonuclease 1

88

11

Expression

38

2

Saccharomyces cerevisiae

82

12

Protein

37

3

Base excision repair

81

13

Gene

35

4

FEN1

77

14

Mutation

33

5

DNA Replication

60

15

Okazaki fragment maturation

31

6

DNA Repair

50

16

Yeast

30

7

Repair

48

17

Binding

29

8

Mechanism

45

18

DNA polymerase beta

29

9

Replication

43

19

damage

27

10

Cell nuclear antigen

42

20

Replication fork

26