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Table 3 The ligand counterparts of the identified active sites

From: A study on the flexibility of enzyme active sites

Active site

Ligand

Formula

#atom

MW

Dist.

Charge

#HD

#HA

#rotatable

TPSA

The ten most flexible active sites

1powA

FAD1

C27H34N9O15P2+

53

786.6

3.1

1

10

20

13

357.0

1n2cB

CLF2

Fe8H7S7-7

15

678.3

2.4

-7

0

7

0

0.0

4mdhA

NAD3

C21H28N7O14P2+

44

664.1

4.3

1

8

18

11

318.0

1arzA

NAD

C21H28N7O14P2+

44

664.1

3.4

1

8

18

11

318.0

1dhfA

NDP4

C21H29N7O17P3+

48

744.4

3.7

1

9

21

13

365.0

1getA

FAD

C27H34N9O15P2+

53

786.6

2.8

1

10

20

13

357.0

1emdA

NAD

C21H28N7O14P2+

44

664.1

3.4

1

8

18

11

318.0

1d4cA

FAD

C27H34N9O15P2+

53

786.6

3.4

1

10

20

13

357.0

1a05A5

–

–

–

–

–

–

–

–

–

–

1n2cE

ADP6

C10H15N5O10P2

27

427.2

3.5

0

6

14

6

233.0

The ten most rigid active sites

1dveA

HEM7

C34H32FeN4O4

43

616.5

2.1

0

2

8

8

101.0

3nosA

HEM

C34H32FeN4O4

43

620.5

2.3

0

2

8

8

101.0

1dj1A

HEM

C34H32FeN4O4

43

620.5

3.4

0

2

8

8

101.0

1idtA

FMN8

C17H22N4O9P+

31

457.4

2.7

1

7

10

7

202.0

7atjA

HEM

C34H32FeN4O4

43

616.5

3.4

0

2

8

8

101.0

1n2cA

HCA9

C7H10O7

14

206.2

3.4

0

4

7

6

132.0

1fcbA

FMN

C17H22N4O9P+

31

457.4

3.2

1

7

10

7

202.0

1dodA

PHB10

C7H6O3

10

138.1

2.8

0

2

3

1

57.5

2cpoA

HEM

C34H32FeN4O4

43

620.5

2.8

0

2

8

8

101.0

1aopA

SRM11

C42H46FeN4O16

63

918.7

2.5

0

8

20

20

302.0

  1. The details of each column are described in Table 4. 1flavin adenine dinucleotide. 2Fe(8)-S(7) cluster. 3nicotinamide adenine dinucleotide. 4nicotinamide adenine dinucleotide phosphate. 5No appropriate ligand is available for this active site group. 6adenosine triphosphate. 7heme. 8flavin mononucleotide. 93-hydroxy-3-carboxy-adipic acid. 104-hydroxybenzoic acid. 11siroheme.