Table 1 Features of different C–T base editors in this study

From: Expanding C–T base editing toolkit with diversified cytidine deaminases

Name

Deaminase

Editing window

Substrate preference C=edit site

Target Specificity (FAN/HEK4/EMX1)

BE3

rAPOBEC1

5–8

TC/AC>CC>GC

78%

27%

6%

C-BE3

rAPOBEC1

6,10

TC/AC>CC>GC

83%

28%

3%

N-PmCDA1-BE

PmCDA1

1–8

CA/CC>CG/CT

8%

15%

N.Sp.

C-PmCDA1-BE

PmCDA1

1–6

CA/CC>CG/CT

29%

18%

N.Sp.

N-1-BE

PmCDA1L1_4 (1)

9–13

CA/CT>CG/CC AC/TC>CC/GC

84%

74%

84%

C-1-BE

PmCDA1L1_4 (1)

10–13

CA/CT>CG/CC AC/TC>CC/GC

97%

N.Sp.

N-2-BE

LpCDA1 (2)

1–8

N.S.

42%

N.Sp.

N.Sp.

C-2-BE

LpCDA1 (2)

−1,3–5

N.S.

85%

31%

14%

N-4-BE

LjCDA1L1_4 (4)

−1–13

CA/CC/CT>CG;AC>GC

N.Sp.

7%

40%

N-7-BE

LjCDA1 (7)

2–6

CC/CT>CG

81%

61%

68%

N-8-BE

LpCDA1L1_1 (8)

1–14

CA>CG/CC AC/TC>CC/GC

9%

5%

7%

C-8-BE

LpCDA1L1_1 (8)

9–14

CA>CG/CC AC/TC>CC/GC

55%

N.Sp.

58%

N-9-BE

LjCDA1L1_1 (9)

1–15

N.S.

N.Sp.

6%

1%

N-10-BE

LpCDA1L1_3(10)

1–13

CC>CG;AC/TC>CC>GC

85%

24%

47%

N-12-BE

LjCDA1L2_1 (12)

7–12

N.S.

81%

95%

42%

N-13-BE

LpCDA1L1_4 (13)

1–12

CA/CC/CT>CG

24%

31%

43%

N-hAID-BE

hAID

1–8

CA/CC>CT AC/GC>CC/TC

49%

31%

N.Sp.

C-hAID-BE

hAID

3,5,7

CA/CC>CT AC/GC>CC/TC

75%

86%

N.Sp.

  1. N.S.: not significant; N.Sp.: no specificity (higher activity in off-target site than on-target site); — : no obvious activity in on-target site