IED ID |
IndEnz0002011458 |
Enzyme Type ID |
protease011458 |
Protein Name |
Kunitz-type serine protease inhibitor homolog beta-bungarotoxin BF B2 chain
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Gene Name |
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Organism |
Bungarus fasciatus (Banded krait) (Pseudoboa fasciata) |
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 fasciatus (Banded krait) (Pseudoboa fasciata)
|
Enzyme Sequence |
MSSGGLLLLLGLLTLWAELTPISSRERHPDCDKPPDTGRCGNNVRAFYYKPSTNKCVQFIYGGCNANGNHFKSDHLCRCQCREND |
Enzyme Length |
85 |
Uniprot Accession Number |
B2KTG3 |
Absorption |
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Active Site |
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Activity Regulation |
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Binding Site |
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Calcium Binding |
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catalytic Activity |
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DNA Binding |
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EC Number |
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Enzyme Function |
FUNCTION: Beta-1-bungarotoxin is a presynaptic neurotoxin 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 |
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PH Dependency |
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Pathway |
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nucleotide Binding |
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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 |
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Induction |
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Subcellular Location |
SUBCELLULAR LOCATION: Secreted {ECO:0000250}. |
Modified Residue |
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Post Translational Modification |
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Signal Peptide |
SIGNAL 1..24; /evidence=ECO:0000250 |
Structure 3D |
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Cross Reference PDB |
- |
Mapped Pubmed ID |
- |
Motif |
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Gene Encoded By |
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Mass |
9,506 |
Kinetics |
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Metal Binding |
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Rhea ID |
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Cross Reference Brenda |
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