| IED ID | IndEnz0002010105 | 
                    
                        | Enzyme Type ID | protease010105 | 
                    
                        | Protein Name | Kunitz-type serine protease inhibitor homolog beta-bungarotoxin B3 chain 
 | 
                    
                        | Gene Name |  | 
                    
                        | Organism | Bungarus multicinctus (Many-banded krait) | 
                    
                        | Taxonomic Lineage | cellular organisms
                            
                                
                            
                        
                             Eukaryota
                            
                                
                            
                        
                             Opisthokonta
                            
                                
                            
                        
                             Metazoa
                            
                                
                            
                        
                             Eumetazoa
                            
                                
                            
                        
                             Bilateria
                            
                                
                            
                        
                             Deuterostomia
                            
                                
                            
                        
                             Chordata
                            
                                
                            
                        
                             Craniata
                            
                                
                            
                        
                             Vertebrata
                            
                                
                            
                        
                             Gnathostomata (jawed vertebrates)
                            
                                
                            
                        
                             Teleostomi
                            
                                
                            
                        
                             Euteleostomi
                            
                                
                            
                        
                             Sarcopterygii
                            
                                
                            
                        
                             Dipnotetrapodomorpha
                            
                                
                            
                        
                             Tetrapoda
                            
                                
                            
                        
                             Amniota
                            
                                
                            
                        
                             Sauropsida
                            
                                
                            
                        
                             Sauria (diapsids)
                            
                                
                            
                        
                             Lepidosauria (lepidosaurs)
                            
                                
                            
                        
                             Squamata (squamates)
                            
                                
                            
                        
                             Bifurcata (split-tongued squamates)
                            
                                
                            
                        
                             Unidentata
                            
                                
                            
                        
                             Episquamata
                            
                                
                            
                        
                             Toxicofera
                            
                                
                            
                        
                             Serpentes (snakes)
                            
                                
                            
                        
                             Colubroidea
                            
                                
                            
                        
                             Elapidae
                            
                                
                            
                        
                             Bungarinae
                            
                                
                            
                        
                             Bungarus
                            
                                
                            
                        
                             Bungarus multicinctus (Many-banded krait) | 
                    
                        | Enzyme Sequence | MSSGGLLLLLGLLTLCAELIPVSSRQRHRDCDKPPDKGNCGPVRRAFYYDTRLKTCKAFQYRGCNGNGNHFKSDHLCRCECLEYS | 
                    
                        | Enzyme Length | 85 | 
                    
                        | Uniprot Accession Number | Q9W728 | 
                    
                        | Absorption |  | 
                    
                        | Active Site |  | 
                    
                        | Activity Regulation |  | 
                    
                        | Binding Site |  | 
                    
                        | Calcium Binding |  | 
                    
                        | catalytic Activity |  | 
                    
                        | DNA Binding |  | 
                    
                        | EC Number |  | 
                    
                        | Enzyme Function | FUNCTION: Beta-bungarotoxins are presynaptic neurotoxins of the venom. The B chain is homologous to venom basic protease inhibitors but has no protease inhibitor activity and blocks voltage-gated potassium channels (Kv) (By similarity). {ECO:0000250}. | 
                    
                        | Temperature Dependency |  | 
                    
                        | PH Dependency |  | 
                    
                        | Pathway |  | 
                    
                        | nucleotide Binding |  | 
                    
                        | Features | Chain (1); Disulfide bond (4); Domain (1); Signal peptide (1) | 
                    
                        | Keywords | Disulfide bond;Ion channel impairing toxin;Neurotoxin;Potassium channel impairing toxin;Presynaptic neurotoxin;Secreted;Signal;Toxin;Voltage-gated potassium channel impairing toxin | 
                    
                        | Interact With |  | 
                    
                        | Induction |  | 
                    
                        | Subcellular Location | SUBCELLULAR LOCATION: Secreted {ECO:0000250}. | 
                    
                        | Modified Residue |  | 
                    
                        | Post Translational Modification |  | 
                    
                        | Signal Peptide | SIGNAL 1..24;  /evidence=ECO:0000250 | 
                    
                        | Structure 3D |  | 
                    
                        | Cross Reference PDB | - | 
                    
                        | Mapped Pubmed ID | - | 
                    
                        | Motif |  | 
                    
                        | Gene Encoded By |  | 
                    
                        | Mass | 9,599 | 
                    
                        | Kinetics |  | 
                    
                        | Metal Binding |  | 
                    
                        | Rhea ID |  | 
                    
                        | Cross Reference Brenda |  |