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Table 2 Variations of HPV 16 E6 gene in strains from patients with different grades of cervical lesions

From: Genetic variations of E6 and long control region of human papillomavirus type 16 from patients with cervical lesion in Liaoning, China

Variation of HPV-16 E6 at nucleotide position (450bp)

Grade of Related Cervical lesion

Categories

94

131

176

178

215

241

335

350

442

Normal n =95

CIN1/LSIL n =42

CIN2-3 n =117

CC n =50

Total n=304

KO2718

G

A

G

T

C

T

C

T

A

Variation

A

C/G

A

A/G

T

G

T

G

C

EUR

_

_

_

_

_

_

_

_

_

10

5

4

5

24

EUR

a

_

_

_

_

_

_

_

_

10

2

18

0

30

EUR

_

_

_

_

t

_

_

_

_

10

2

0

0

12

EUR

_

_

_

_

_

g

_

_

_

6

10

2

4

22

EUR

_

_

a

_

_

_

_

_

_

12

4

1

0

17

EUR

_

_

_

_

_

_

_

_

C

5

0

0

0

5

EUR

_

_

_

_

_

_

T

_

_

11

2

0

0

13

EUR

_

_

_

A

_

_

_

_

_

7

4

17

10

38

EUR

a

_

_

_

_

_

_

G

_

4

0

0

0

4

EUR

a

_

_

_

_

_

_

G

C

3

0

0

0

3

EUR

_

G

_

_

_

_

_

G

_

0

1

8

0

9

EUR

_

_

_

_

_

_

_

G

_

3

2

9

0

14

As

_

c

_

G

_

_

_

_

_

6

3

4

19

32

As

_

_

_

G

_

_

_

_

_

8

7

54

12

81

AminoAcid substitution

_

R10G

_

D25E

_

_

H78Y

L83V

E113D

     
  1. Note: HPV 16 prototype (GenBank accession number KO 2708) was used as the reference. Nucleotide positions in E6 are presented at the top of the table according to the reference sequence. Amino acid substitutions are indicated under the corresponding amino acidic position. Nucleotide changes are shown by the corresponding letters. Dashes indicate positions at which no variation was found. Capital letter indicates synonymous mutation; Lower-case character indicates non-synonymous mutation. E-p,Europen prototype; CC, cervical cancer.