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Table 6 Carboxyl sites of interest. B = Buried, S = Surface. Figures marked in bold indicate predictions >2 units from the pKexp.

From: Benchmarking pKa prediction

PDB

RESIDUE

LOCATION

AMBER

PARSE

MCCE

UHBD

PROPKA

pKexp

1A2P20

ASP-101

S

6.19

3.56

2.31

3.75

1.20

2.00

 

ASP-93

S

-0.64

-1.38

1.00

3.92

0.69

2.00

 

ASP-54

S

0.74

0.82

1.34

3.57

2.70

2.00

 

GLU-73

B

4.66

4.10

2.37

4.68

3.11

2.10

1A9121

ASP-7

S

3.99

20.29

4.17

4.04

3.87

5.60

 

ASP-44

S

6.00

20.22

5.55

4.69

4.19

5.60

 

ASP-61

S

5.52

26.20

5.01

4.33

4.01

7.00

 

GLU-2

S

4.14

7.45

4.53

4.45

4.50

5.50

 

GLU-37

S

5.15

-20.96

4.27

4.66

4.32

5.50

1BEO22

ASP-21

S

6.38

5.52

3.11

3.75

1.35

2.50

 

ASP-30

S

3.56

3.80

4.38

4.00

2.64

2.50

 

ASP-72

S

3.84

3.95

3.69

4.34

3.30

2.60

1DE323

GLU-96

B

9.88

10.41

3.53

5.70

4.10

5.10

 

GLU-115

S

5.19

5.23

3.81

4.45

4.50

4.90

1KXI24

ASP-59

S

3.13

3.90

2.33

4.20

2.49

2.30

1LZ325

ASP-18

S

3.79

3.94

6.77

4.05

3.19

2.70

 

ASP-48

S

3.57

3.17

5.15

3.99

2.51

2.50

 

ASP-66

S

0.23

-0.31

12.38

3.07

1.19

2.00

 

ASP-87

S

4.06

3.96

4.89

3.89

2.17

2.10

 

GLU-7

S

3.92

3.44

4.73

4.36

3.01

2.70

 

GLU-35

B

4.92

5.23

7.80

4.78

5.40

6.10

1RNZ26

ASP-14

B

9.08

7.86

3.51

4.89

-0.62

2.00

 

GLU-2

B

-1.52

-1.48

1.44

5.03

2.66

2.80

1TRS27

ASP-26

B

6.18

4.38

7.84

4.64

4.96

8.10

 

GLU-6

S

3.91

3.92

4.54

4.44

4.50

4.90

 

GLU-68

S

4.27

4.24

4.59

4.55

4.57

5.10

1TRW27

ASP-26

B

8.23

5.24

8.63

4.83

5.62

9.90

 

GLU-68

S

5.07

5.33

3.55

4.88

4.34

4.90

1XNB28

ASP-11

S

1.83

0.57

3.44

3.82

1.99

2.50

 

ASP-83

B

6.29

7.89

6.35

4.28

1.36

2.00

 

ASP-101

B

5.01

2.94

9.96

4.28

1.50

2.00

 

ASP-106

S

8.72

8.94

3.18

4.98

3.02

2.70

 

GLU-172

B

6.62

6.42

5.94

5.22

7.32

6.70

2OVO29

ASP-7

S

4.05

4.01

6.25

3.72

2.51

2.50

 

ASP-27

S

2.08

2.32

2.77

3.77

2.39

2.50

2RN230

ASP-10

B

4.01

3.38

8.47

3.83

6.99

6.10

 

ASP-70

B

4.11

3.55

3.15

3.50

4.10

2.60

 

ASP-102

B

7.33

6.77

3.00

3.40

0.13

2.00

 

ASP-148

B

-1.10

-1.31

0.55

3.79

-0.79

2.00