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Table 2 A comparison of the amino-acid sequence identities between Sp-CTx α-β and other fish toxins

From: Sequence analysis of the cDNA encoding for SpCTx: a lethal factor from scorpionfish venom (Scorpaena plumieri)

Toxin

Amino-acid sequence identity (%)

 

Scorpaeniformes

Perciformes

S. plumieri

S. marmoratus

S. oxycephala

S. strongia

P. lunulata

P. volitans

P. antennata

H. rubripinnis

S. horrida

S. verrucosa

I. japonicus

S. fuscescens

α

β

α

β

α

β

α

β

α

β

α

β

α

β

α

β

α

β

α

β

α

β

α

β

S. plumieri

α

100

                       

β

54

100

                      

S. marmoratus

α

58

46

100

                     

β

60

75

51

100

                    

S. oxycephala

α

67

45

77

50

100

                   

β

62

84

52

81

50

100

                  

S. strongia

α

66

44

75

49

92

49

100

                 

β

62

83

51

82

50

94

49

100

                

P. lunulata

α

58

68

50

75

48

73

48

74

100

               

β

58

74

50

81

49

79

48

80

82

100

              

P. volitans

α

58

68

50

75

48

73

48

74

99

82

100

             

β

58

73

50

80

49

79

48

79

81

98

81

100

            

P. antennata

α

58

67

50

75

48

72

47

74

99

82

99

81

100

           

β

58

74

51

81

49

79

48

80

80

98

81

99

80

100

          

H. rubripinnis

α

55

45

71

49

67

50

65

48

46

47

46

47

46

48

100

         

β

55

69

50

76

48

73

47

73

72

77

72

77

72

77

47

100

        

S. horrida

α

55

45

71

48

65

50

64

48

47

48

47

48

47

48

83

48

100

       

β

54

68

49

74

49

73

47

72

69

73

69

73

68

73

47

83

48

100

      

S. verrucosa

α

55

45

73

51

67

50

66

49

48

50

48

50

48

50

83

48

87

49

100

     

β

54

68

50

74

49

73

47

72

69

73

69

73

69

74

47

84

49

95

50

100

    

I. japonicus

α

53

45

71

49

66

49

65

48

48

68

48

68

48

68

81

47

84

49

90

50

100

   

β

53

68

48

74

48

72

47

72

49

73

50

73

50

73

48

83

47

90

48

90

48

100

  

S. fuscescens

α

51

62

48

66

47

64

47

65

63

66

63

65

62

66

45

65

46

65

46

65

45

64

100

 

β

41

42

44

44

43

44

43

44

42

43

42

42

41

43

40

41

41

42

42

42

42

42

43

100