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7664-38-2

PubChem SID
3311
Structure
7664-38-2_small.png
Source
External ID
Source Category

Curation Efforts

Research and Development

Version
Status
Live
Related Compounds
PubChem CID
CID 1004 (Phosphoric Acid)
Dates
  • Deposit:
    2005-06-24
  • Modify:
    2015-11-08
  • Available:
    2005-06-23
Description
Please note that the substance record is presented as provided to PubChem by the source (depositor). For standardized chemical structure and/or annotation information, please visit the summary page for CID 1004.

1 2D Structure

Chemical Structure Depiction
7664-38-2.png

2 Identity

2.1 Source

2.2 External ID

2.3 Source Category

Curation Efforts

Research and Development

2.4 Depositor-Supplied Synonyms

2.5 Deposit Date

2005-06-24

2.6 Modify Date

Version 1
Version 2
Version 3
Version 4
Version 5
Version 6
Version 7
Version 8
Version 9
Version 10
Version 11
Version 12
Version 13
2015-11-08 (currently shown)

2.7 Available Date

2005-06-23

2.8 Status

Live

3 Depositor Comments

Same as: <a href="http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?sid=47207136">D05467</a>

Is a reactant of enzyme EC: 1.2.1.11

Is a reactant of enzyme EC: 1.2.1.12

Is a reactant of enzyme EC: 1.2.1.13

Is a reactant of enzyme EC: 1.2.1.38

Is a reactant of enzyme EC: 1.2.1.41

Is a reactant of enzyme EC: 1.2.1.59

Is a reactant of enzyme EC: 1.2.1.-

Is a reactant of enzyme EC: 1.2.3.3

Is a reactant of enzyme EC: 1.2.3.-

Is a reactant of enzyme EC: 1.3.7.7

Is a reactant of enzyme EC: 1.3.7.8

Is a reactant of enzyme EC: 1.3.99.35

Is a reactant of enzyme EC: 1.13.11.78

Is a reactant of enzyme EC: 1.18.6.1

Is a reactant of enzyme EC: 1.19.6.1

Is a reactant of enzyme EC: 1.20.1.1

Is a reactant of enzyme EC: 1.21.4.2

Is a reactant of enzyme EC: 1.21.4.3

Is a reactant of enzyme EC: 1.21.4.4

Is a reactant of enzyme EC: 2.1.2.-

Is a reactant of enzyme EC: 2.1.3.2

Is a reactant of enzyme EC: 2.1.3.3

Is a reactant of enzyme EC: 2.1.3.5

Is a reactant of enzyme EC: 2.1.3.6

Is a reactant of enzyme EC: 2.1.3.7

Is a reactant of enzyme EC: 2.1.3.8

Is a reactant of enzyme EC: 2.1.3.9

Is a reactant of enzyme EC: 2.1.3.11

Is a reactant of enzyme EC: 2.1.3.12

Is a reactant of enzyme EC: 2.1.3.-

Is a reactant of enzyme EC: 2.3.1.8

Is a reactant of enzyme EC: 2.3.1.19

Is a reactant of enzyme EC: 2.3.1.32

Is a reactant of enzyme EC: 2.3.1.222

Is a reactant of enzyme EC: 2.3.3.8

Is a reactant of enzyme EC: 2.3.3.15

Is a reactant of enzyme EC: 2.4.1.1

Is a reactant of enzyme EC: 2.4.1.7

Is a reactant of enzyme EC: 2.4.1.8

Is a reactant of enzyme EC: 2.4.1.20

Is a reactant of enzyme EC: 2.4.1.30

Is a reactant of enzyme EC: 2.4.1.31

Is a reactant of enzyme EC: 2.4.1.49

Is a reactant of enzyme EC: 2.4.1.64

Is a reactant of enzyme EC: 2.4.1.97

Is a reactant of enzyme EC: 2.4.1.139

Is a reactant of enzyme EC: 2.4.1.211

Is a reactant of enzyme EC: 2.4.1.216

Is a reactant of enzyme EC: 2.4.1.230

Is a reactant of enzyme EC: 2.4.1.231

Is a reactant of enzyme EC: 2.4.1.247

Is a reactant of enzyme EC: 2.4.1.279

Is a reactant of enzyme EC: 2.4.1.280

Is a reactant of enzyme EC: 2.4.1.281

Is a reactant of enzyme EC: 2.4.1.282

Is a reactant of enzyme EC: 2.4.1.319

Is a reactant of enzyme EC: 2.4.1.320

Is a reactant of enzyme EC: 2.4.1.321

Is a reactant of enzyme EC: 2.4.1.329

Is a reactant of enzyme EC: 2.4.2.1

Is a reactant of enzyme EC: 2.4.2.2

Is a reactant of enzyme EC: 2.4.2.3

Is a reactant of enzyme EC: 2.4.2.4

Is a reactant of enzyme EC: 2.4.2.15

Is a reactant of enzyme EC: 2.4.2.16

Is a reactant of enzyme EC: 2.4.2.28

Is a reactant of enzyme EC: 2.4.2.44

Is a reactant of enzyme EC: 2.4.2.57

Is a reactant of enzyme EC: 2.4.2.-

Is a reactant of enzyme EC: 2.4.99.16

Is a reactant of enzyme EC: 2.5.1.6

Is a reactant of enzyme EC: 2.5.1.7

Is a reactant of enzyme EC: 2.5.1.19

Is a reactant of enzyme EC: 2.5.1.48

Is a reactant of enzyme EC: 2.5.1.54

Is a reactant of enzyme EC: 2.5.1.55

Is a reactant of enzyme EC: 2.5.1.56

Is a reactant of enzyme EC: 2.5.1.57

Is a reactant of enzyme EC: 2.5.1.65

Is a reactant of enzyme EC: 2.5.1.66

Is a reactant of enzyme EC: 2.5.1.72

Is a reactant of enzyme EC: 2.5.1.73

Is a reactant of enzyme EC: 2.5.1.76

Is a reactant of enzyme EC: 2.5.1.78

Is a reactant of enzyme EC: 2.5.1.95

Is a reactant of enzyme EC: 2.5.1.97

Is a reactant of enzyme EC: 2.5.1.101

Is a reactant of enzyme EC: 2.5.1.113

Is a reactant of enzyme EC: 2.6.99.2

Is a reactant of enzyme EC: 2.7.1.79

Is a reactant of enzyme EC: 2.7.1.80

Is a reactant of enzyme EC: 2.7.1.90

Is a reactant of enzyme EC: 2.7.1.143

Is a reactant of enzyme EC: 2.7.2.12

Is a reactant of enzyme EC: 2.7.7.5

Is a reactant of enzyme EC: 2.7.7.8

Is a reactant of enzyme EC: 2.7.7.22

Is a reactant of enzyme EC: 2.7.7.35

Is a reactant of enzyme EC: 2.7.7.36

Is a reactant of enzyme EC: 2.7.7.37

Is a reactant of enzyme EC: 2.7.7.53

Is a reactant of enzyme EC: 2.7.7.56

Is a reactant of enzyme EC: 2.7.7.69

Is a reactant of enzyme EC: 2.7.7.78

Is a reactant of enzyme EC: 2.7.7.89

Is a reactant of enzyme EC: 2.7.9.1

Is a reactant of enzyme EC: 2.7.9.2

Is a reactant of enzyme EC: 2.7.9.3

Is a reactant of enzyme EC: 2.7.9.-

Is a reactant of enzyme EC: 2.7.99.1

Is a reactant of enzyme EC: 2.9.1.1

Is a reactant of enzyme EC: 2.9.1.2

Is a reactant of enzyme EC: 3.1.3.1

Is a reactant of enzyme EC: 3.1.3.2

Is a reactant of enzyme EC: 3.1.3.3

Is a reactant of enzyme EC: 3.1.3.4

Is a reactant of enzyme EC: 3.1.3.5

Is a reactant of enzyme EC: 3.1.3.6

Is a reactant of enzyme EC: 3.1.3.7

Is a reactant of enzyme EC: 3.1.3.8

Is a reactant of enzyme EC: 3.1.3.9

Is a reactant of enzyme EC: 3.1.3.10

Is a reactant of enzyme EC: 3.1.3.11

Is a reactant of enzyme EC: 3.1.3.12

Is a reactant of enzyme EC: 3.1.3.13

Is a reactant of enzyme EC: 3.1.3.14

Is a reactant of enzyme EC: 3.1.3.15

Is a reactant of enzyme EC: 3.1.3.16

Is a reactant of enzyme EC: 3.1.3.17

Is a reactant of enzyme EC: 3.1.3.18

Is a reactant of enzyme EC: 3.1.3.19

Is a reactant of enzyme EC: 3.1.3.20

Is a reactant of enzyme EC: 3.1.3.21

Is a reactant of enzyme EC: 3.1.3.22

Is a reactant of enzyme EC: 3.1.3.23

Is a reactant of enzyme EC: 3.1.3.24

Is a reactant of enzyme EC: 3.1.3.25

Is a reactant of enzyme EC: 3.1.3.26

Is a reactant of enzyme EC: 3.1.3.27

Is a reactant of enzyme EC: 3.1.3.28

Is a reactant of enzyme EC: 3.1.3.29

Is a reactant of enzyme EC: 3.1.3.31

Is a reactant of enzyme EC: 3.1.3.32

Is a reactant of enzyme EC: 3.1.3.33

Is a reactant of enzyme EC: 3.1.3.34

Is a reactant of enzyme EC: 3.1.3.35

Is a reactant of enzyme EC: 3.1.3.36

Is a reactant of enzyme EC: 3.1.3.37

Is a reactant of enzyme EC: 3.1.3.38

Is a reactant of enzyme EC: 3.1.3.39

Is a reactant of enzyme EC: 3.1.3.40

Is a reactant of enzyme EC: 3.1.3.41

Is a reactant of enzyme EC: 3.1.3.42

Is a reactant of enzyme EC: 3.1.3.43

Is a reactant of enzyme EC: 3.1.3.44

Is a reactant of enzyme EC: 3.1.3.45

Is a reactant of enzyme EC: 3.1.3.46

Is a reactant of enzyme EC: 3.1.3.47

Is a reactant of enzyme EC: 3.1.3.48

Is a reactant of enzyme EC: 3.1.3.49

Is a reactant of enzyme EC: 3.1.3.50

Is a reactant of enzyme EC: 3.1.3.51

Is a reactant of enzyme EC: 3.1.3.52

Is a reactant of enzyme EC: 3.1.3.53

Is a reactant of enzyme EC: 3.1.3.54

Is a reactant of enzyme EC: 3.1.3.55

Is a reactant of enzyme EC: 3.1.3.56

Is a reactant of enzyme EC: 3.1.3.57

Is a reactant of enzyme EC: 3.1.3.58

Is a reactant of enzyme EC: 3.1.3.59

Is a reactant of enzyme EC: 3.1.3.60

Is a reactant of enzyme EC: 3.1.3.62

Is a reactant of enzyme EC: 3.1.3.63

Is a reactant of enzyme EC: 3.1.3.64

Is a reactant of enzyme EC: 3.1.3.66

Is a reactant of enzyme EC: 3.1.3.67

Is a reactant of enzyme EC: 3.1.3.68

Is a reactant of enzyme EC: 3.1.3.69

Is a reactant of enzyme EC: 3.1.3.70

Is a reactant of enzyme EC: 3.1.3.71

Is a reactant of enzyme EC: 3.1.3.72

Is a reactant of enzyme EC: 3.1.3.73

Is a reactant of enzyme EC: 3.1.3.74

Is a reactant of enzyme EC: 3.1.3.75

Is a reactant of enzyme EC: 3.1.3.76

Is a reactant of enzyme EC: 3.1.3.77

Is a reactant of enzyme EC: 3.1.3.78

Is a reactant of enzyme EC: 3.1.3.79

Is a reactant of enzyme EC: 3.1.3.80

Is a reactant of enzyme EC: 3.1.3.81

Is a reactant of enzyme EC: 3.1.3.82

Is a reactant of enzyme EC: 3.1.3.83

Is a reactant of enzyme EC: 3.1.3.85

Is a reactant of enzyme EC: 3.1.3.86

Is a reactant of enzyme EC: 3.1.3.87

Is a reactant of enzyme EC: 3.1.3.88

Is a reactant of enzyme EC: 3.1.3.89

Is a reactant of enzyme EC: 3.1.3.90

Is a reactant of enzyme EC: 3.1.3.91

Is a reactant of enzyme EC: 3.1.3.92

Is a reactant of enzyme EC: 3.1.3.93

Is a reactant of enzyme EC: 3.1.3.94

Is a reactant of enzyme EC: 3.1.3.95

Is a reactant of enzyme EC: 3.1.3.-

Is a reactant of enzyme EC: 3.1.4.57

Is a reactant of enzyme EC: 3.2.1.23

Is a reactant of enzyme EC: 3.5.2.9

Is a reactant of enzyme EC: 3.5.2.14

Is a reactant of enzyme EC: 3.5.4.29

Is a reactant of enzyme EC: 3.6.1.1

Is a reactant of enzyme EC: 3.6.1.3

Is a reactant of enzyme EC: 3.6.1.5

Is a reactant of enzyme EC: 3.6.1.6

Is a reactant of enzyme EC: 3.6.1.7

Is a reactant of enzyme EC: 3.6.1.8

Is a reactant of enzyme EC: 3.6.1.11

Is a reactant of enzyme EC: 3.6.1.12

Is a reactant of enzyme EC: 3.6.1.14

Is a reactant of enzyme EC: 3.6.1.15

Is a reactant of enzyme EC: 3.6.1.25

Is a reactant of enzyme EC: 3.6.1.27

Is a reactant of enzyme EC: 3.6.1.28

Is a reactant of enzyme EC: 3.6.1.39

Is a reactant of enzyme EC: 3.6.1.40

Is a reactant of enzyme EC: 3.6.1.42

Is a reactant of enzyme EC: 3.6.1.43

Is a reactant of enzyme EC: 3.6.1.52

Is a reactant of enzyme EC: 3.6.1.58

Is a reactant of enzyme EC: 3.6.1.64

Is a reactant of enzyme EC: 3.6.1.-

Is a reactant of enzyme EC: 3.6.3.1

Is a reactant of enzyme EC: 3.6.3.2

Is a reactant of enzyme EC: 3.6.3.3

Is a reactant of enzyme EC: 3.6.3.4

Is a reactant of enzyme EC: 3.6.3.5

Is a reactant of enzyme EC: 3.6.3.6

Is a reactant of enzyme EC: 3.6.3.7

Is a reactant of enzyme EC: 3.6.3.8

Is a reactant of enzyme EC: 3.6.3.9

Is a reactant of enzyme EC: 3.6.3.10

Is a reactant of enzyme EC: 3.6.3.11

Is a reactant of enzyme EC: 3.6.3.12

Is a reactant of enzyme EC: 3.6.3.14

Is a reactant of enzyme EC: 3.6.3.15

Is a reactant of enzyme EC: 3.6.3.16

Is a reactant of enzyme EC: 3.6.3.17

Is a reactant of enzyme EC: 3.6.3.18

Is a reactant of enzyme EC: 3.6.3.19

Is a reactant of enzyme EC: 3.6.3.20

Is a reactant of enzyme EC: 3.6.3.21

Is a reactant of enzyme EC: 3.6.3.22

Is a reactant of enzyme EC: 3.6.3.23

Is a reactant of enzyme EC: 3.6.3.24

Is a reactant of enzyme EC: 3.6.3.25

Is a reactant of enzyme EC: 3.6.3.26

Is a reactant of enzyme EC: 3.6.3.27

Is a reactant of enzyme EC: 3.6.3.28

Is a reactant of enzyme EC: 3.6.3.29

Is a reactant of enzyme EC: 3.6.3.30

Is a reactant of enzyme EC: 3.6.3.31

Is a reactant of enzyme EC: 3.6.3.32

Is a reactant of enzyme EC: 3.6.3.33

Is a reactant of enzyme EC: 3.6.3.34

Is a reactant of enzyme EC: 3.6.3.35

Is a reactant of enzyme EC: 3.6.3.36

Is a reactant of enzyme EC: 3.6.3.37

Is a reactant of enzyme EC: 3.6.3.38

Is a reactant of enzyme EC: 3.6.3.39

Is a reactant of enzyme EC: 3.6.3.40

Is a reactant of enzyme EC: 3.6.3.41

Is a reactant of enzyme EC: 3.6.3.42

Is a reactant of enzyme EC: 3.6.3.43

Is a reactant of enzyme EC: 3.6.3.44

Is a reactant of enzyme EC: 3.6.3.46

Is a reactant of enzyme EC: 3.6.3.47

Is a reactant of enzyme EC: 3.6.3.48

Is a reactant of enzyme EC: 3.6.3.49

Is a reactant of enzyme EC: 3.6.3.50

Is a reactant of enzyme EC: 3.6.3.51

Is a reactant of enzyme EC: 3.6.3.52

Is a reactant of enzyme EC: 3.6.3.53

Is a reactant of enzyme EC: 3.6.3.54

Is a reactant of enzyme EC: 3.6.3.55

Is a reactant of enzyme EC: 3.6.4.1

Is a reactant of enzyme EC: 3.6.4.2

Is a reactant of enzyme EC: 3.6.4.3

Is a reactant of enzyme EC: 3.6.4.4

Is a reactant of enzyme EC: 3.6.4.5

Is a reactant of enzyme EC: 3.6.4.6

Is a reactant of enzyme EC: 3.6.4.7

Is a reactant of enzyme EC: 3.6.4.8

Is a reactant of enzyme EC: 3.6.4.9

Is a reactant of enzyme EC: 3.6.4.10

Is a reactant of enzyme EC: 3.6.4.11

Is a reactant of enzyme EC: 3.6.4.12

Is a reactant of enzyme EC: 3.6.4.13

Is a reactant of enzyme EC: 3.6.5.1

Is a reactant of enzyme EC: 3.6.5.2

Is a reactant of enzyme EC: 3.6.5.3

Is a reactant of enzyme EC: 3.6.5.4

Is a reactant of enzyme EC: 3.6.5.5

Is a reactant of enzyme EC: 3.6.5.6

Is a reactant of enzyme EC: 3.9.1.1

Is a reactant of enzyme EC: 3.11.1.1

Is a reactant of enzyme EC: 3.11.1.2

Is a reactant of enzyme EC: 3.11.1.3

Is a reactant of enzyme EC: 4.1.1.31

Is a reactant of enzyme EC: 4.1.1.33

Is a reactant of enzyme EC: 4.1.1.38

Is a reactant of enzyme EC: 4.1.1.99

Is a reactant of enzyme EC: 4.1.2.9

Is a reactant of enzyme EC: 4.1.2.22

Is a reactant of enzyme EC: 4.1.99.20

Is a reactant of enzyme EC: 4.1.99.21

Is a reactant of enzyme EC: 4.2.1.93

Is a reactant of enzyme EC: 4.2.1.136

Is a reactant of enzyme EC: 4.2.3.1

Is a reactant of enzyme EC: 4.2.3.2

Is a reactant of enzyme EC: 4.2.3.3

Is a reactant of enzyme EC: 4.2.3.4

Is a reactant of enzyme EC: 4.2.3.5

Is a reactant of enzyme EC: 4.2.3.124

Is a reactant of enzyme EC: 4.2.3.134

Is a reactant of enzyme EC: 4.2.3.152

Is a reactant of enzyme EC: 4.3.3.6

Is a reactant of enzyme EC: 4.6.1.-

Is a reactant of enzyme EC: 4.99.1.-

Is a reactant of enzyme EC: 6.1.2.1

Is a reactant of enzyme EC: 6.1.2.2

Is a reactant of enzyme EC: 6.2.1.4

Is a reactant of enzyme EC: 6.2.1.5

Is a reactant of enzyme EC: 6.2.1.6

Is a reactant of enzyme EC: 6.2.1.9

Is a reactant of enzyme EC: 6.2.1.10

Is a reactant of enzyme EC: 6.2.1.13

Is a reactant of enzyme EC: 6.2.1.18

Is a reactant of enzyme EC: 6.2.1.39

Is a reactant of enzyme EC: 6.2.1.-

Is a reactant of enzyme EC: 6.3.1.2

Is a reactant of enzyme EC: 6.3.1.4

Is a reactant of enzyme EC: 6.3.1.6

Is a reactant of enzyme EC: 6.3.1.8

Is a reactant of enzyme EC: 6.3.1.9

Is a reactant of enzyme EC: 6.3.1.10

Is a reactant of enzyme EC: 6.3.1.11

Is a reactant of enzyme EC: 6.3.1.12

Is a reactant of enzyme EC: 6.3.1.17

Is a reactant of enzyme EC: 6.3.1.18

Is a reactant of enzyme EC: 6.3.2.2

Is a reactant of enzyme EC: 6.3.2.3

Is a reactant of enzyme EC: 6.3.2.4

Is a reactant of enzyme EC: 6.3.2.6

Is a reactant of enzyme EC: 6.3.2.7

Is a reactant of enzyme EC: 6.3.2.8

Is a reactant of enzyme EC: 6.3.2.9

Is a reactant of enzyme EC: 6.3.2.10

Is a reactant of enzyme EC: 6.3.2.11

Is a reactant of enzyme EC: 6.3.2.12

Is a reactant of enzyme EC: 6.3.2.13

Is a reactant of enzyme EC: 6.3.2.16

Is a reactant of enzyme EC: 6.3.2.17

Is a reactant of enzyme EC: 6.3.2.18

Is a reactant of enzyme EC: 6.3.2.20

Is a reactant of enzyme EC: 6.3.2.23

Is a reactant of enzyme EC: 6.3.2.25

Is a reactant of enzyme EC: 6.3.2.28

Is a reactant of enzyme EC: 6.3.2.29

Is a reactant of enzyme EC: 6.3.2.30

Is a reactant of enzyme EC: 6.3.2.31

Is a reactant of enzyme EC: 6.3.2.32

Is a reactant of enzyme EC: 6.3.2.33

Is a reactant of enzyme EC: 6.3.2.34

Is a reactant of enzyme EC: 6.3.2.35

Is a reactant of enzyme EC: 6.3.2.37

Is a reactant of enzyme EC: 6.3.2.41

Is a reactant of enzyme EC: 6.3.2.42

Is a reactant of enzyme EC: 6.3.2.43

Is a reactant of enzyme EC: 6.3.2.44

Is a reactant of enzyme EC: 6.3.2.45

Is a reactant of enzyme EC: 6.3.2.47

Is a reactant of enzyme EC: 6.3.2.-

Is a reactant of enzyme EC: 6.3.3.1

Is a reactant of enzyme EC: 6.3.3.2

Is a reactant of enzyme EC: 6.3.3.3

Is a reactant of enzyme EC: 6.3.3.5

Is a reactant of enzyme EC: 6.3.3.-

Is a reactant of enzyme EC: 6.3.4.2

Is a reactant of enzyme EC: 6.3.4.3

Is a reactant of enzyme EC: 6.3.4.4

Is a reactant of enzyme EC: 6.3.4.6

Is a reactant of enzyme EC: 6.3.4.7

Is a reactant of enzyme EC: 6.3.4.8

Is a reactant of enzyme EC: 6.3.4.12

Is a reactant of enzyme EC: 6.3.4.13

Is a reactant of enzyme EC: 6.3.4.14

Is a reactant of enzyme EC: 6.3.4.16

Is a reactant of enzyme EC: 6.3.4.17

Is a reactant of enzyme EC: 6.3.4.18

Is a reactant of enzyme EC: 6.3.4.20

Is a reactant of enzyme EC: 6.3.4.21

Is a reactant of enzyme EC: 6.3.4.22

Is a reactant of enzyme EC: 6.3.4.23

Is a reactant of enzyme EC: 6.3.4.24

Is a reactant of enzyme EC: 6.3.5.3

Is a reactant of enzyme EC: 6.3.5.5

Is a reactant of enzyme EC: 6.3.5.6

Is a reactant of enzyme EC: 6.3.5.7

Is a reactant of enzyme EC: 6.3.5.9

Is a reactant of enzyme EC: 6.3.5.10

Is a reactant of enzyme EC: 6.3.5.11

Is a reactant of enzyme EC: 6.3.5.-

Is a reactant of enzyme EC: 6.4.1.1

Is a reactant of enzyme EC: 6.4.1.2

Is a reactant of enzyme EC: 6.4.1.3

Is a reactant of enzyme EC: 6.4.1.4

Is a reactant of enzyme EC: 6.4.1.5

Is a reactant of enzyme EC: 6.4.1.6

Is a reactant of enzyme EC: 6.4.1.7

Is a reactant of enzyme EC: 6.4.1.8

Is a reactant of enzyme EC: 6.4.1.-

Is a reactant of enzyme EC: 6.5.1.7

Is a reactant of enzyme EC: 6.6.1.1

Is a reactant of enzyme EC: 6.6.1.2

5 Information Sources

CONTENTS