Detail Information for IndEnz0002011458
IED ID IndEnz0002011458
Enzyme Type ID protease011458
Protein Name Kunitz-type serine protease inhibitor homolog beta-bungarotoxin BF B2 chain
Gene Name
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
Active Site
Activity Regulation
Binding Site
Calcium Binding
catalytic Activity
DNA Binding
EC Number
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
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 9,506
Kinetics
Metal Binding
Rhea ID
Cross Reference Brenda