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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