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Table 1 Evolutionary models for the different data sets

From: Evidence of recombination within human alpha-papillomavirus

Sequences

Nucleotide Model

Base Freqs

Rates

Invariable Sites

Rate Variation

HPV16_L1

HKY+I

A = 0.32

Ti/tv = 3.4

0.93

No

  

C = 0.19

   
  

G = 0.19

   
  

T = 0.30

   

HPV16_L2

TrN+I

A = 0.31

R(a) = 1.0

0.89

No

  

C = 0.22

R(b) = 6.5

  
  

G = 0.16

R(c) = 1.0

  
  

T = 0.31

R(d) = 1.0

  
   

R(e) = 3.9

  
   

R(f) = 1.0

  

HPV16_E6

HKY+I

A = 0.34

Ti/tv = 1.2

0.90

No

  

C = 0.16

   
  

G = 0.22

   
  

T = 0.28

   

HPV16_E7

HKY+I

A = 0.31

Ti/tv= 7.0

0.95

No

  

C = 0.21

   
  

G = 0.23

   
  

T = 0.25

   

GI_L1

TVM+I+G

A = 0.31

R(a) = 4.5

0.29

1.47

  

C = 0.18

R(b) = 7.9

  
  

G = 0.19

R(c) = 3.4

  
  

T = 0.32

R(d) = 3.1

  
   

R(e) = 7.9

  
   

R(f) = 1.0

  

GI_L2

GTR+I+G

A = 0.29

R(a) = 2.4

0.17

1.67

  

C = 0.21

R(b) = 4.6

  
  

G = 0.18

R(c) = 2.8

  
  

T = 0.32

R(d) = 1.7

  
   

R(e) = 3.3

  
   

R(f) = 1.0

  

GI_E6

TVM+I+G

A = 0.37

R(a) = 4.0

0.17

2.41

  

C = 0.17

R(b) = 7.1

  
  

G = 0.21

R(c) = 2.8

  
  

T = 0.25

R(d) = 5.4

  
   

R(e) = 7.1

  
   

R(f) = 1.0

  

GI_E7

HKY+G

A = 0.33

Ti/tv = 1.2

0.00

0.85

  

C = 0.23

   
  

G = 0.22

   
  

T = 0.22

   

GII_L1

TVM+G

A = 0.29

R(a) = 3.6

0.00

0.56

  

C = 0.18

R(b) = 5.4

  
  

G = 0.22

R(c) = 2.3

  
  

T = 0.30

R(d) = 1.8

  
   

R(e) = 5.4

  
   

R(f) = 1.0

  

GII_L2

GTR+G

A = 0.25

R(a) = 2.3

0.00

0.84

  

C = 0.24

R(b) = 4.8

  
  

G = 0.20

R(c) = 2.6

  
  

T = 0.30

R(d) = 1.4

  
   

R(e) = 3.2

  
   

R(f) = 1.0

  

GII_E6

TVM+G

A = 0.31

R(a) = 3.1

0.00

0.69

  

C = 0.20

R(b) = 6.1

  
  

G = 0.23

R(c) = 2.2

  
  

T = 0.26

R(d) = 2.8

  
   

R(e) = 6.1

  
   

R(f) = 1.0

  

GII_E7

TVM+G

A = 0.31

R(a) = 3.7

0.00

1.25

  

C = 0.22

R(b) = 7.5

  
  

G = 0.24

R(c) = 3.9

  
  

T = 0.23

R(d) = 5.0

  
   

R(e) = 7.5

  
   

R(f) = 1.0

  

GIII_L1

TVM+I+G

A = 0.24

R(a) = 2.7

0.29

0.83

  

C = 0.23

R(b) = 4.8

  
  

G = 0.22

R(c) = 1.1

  
  

T = 0.30

R(d) = 0.9

  
   

R(e) = 4.8

  
   

R(f) = 1.0

  

GIII_L2

TVM+I+G

A = 0.22

R(a) = 1.5

0.33

1.85

  

C = 0.26

R(b) = 3.1

  
  

G = 0.22

R(c) = 1.7

  
  

T = 0.30

R(d) = 0.7

  
   

R(e) = 3.1

  
   

R(f) = 1.0

  

GIII_E6

TrN+G

A = 0.32

R(a) = 1.0

0.00

0.68

  

C = 0.22

R(b) = 2.2

  
  

G = 0.26

R(c) = 1.0

  
  

T = 0.20

R(d) = 1.0

  
   

R(e) = 4.0

  
   

R(f) = 1.0

  

GIII_E7

HKY+I

A = 0.27

Ti/tv = 1.1

0.32

Equal

  

C = 0.20

   
  

G = 0.30

   
  

T = 0.23

   
  1. I: Invariable sites. G: Rate variation. R(a):A-C. R(b): A-G. R(c): A-T. R(d): C-G. R(e): C-T. R(f): G-T. Ti/tv: Transition/transversion rate.