Detail Information for IndEnz0002012270
IED ID IndEnz0002012270
Enzyme Type ID protease012270
Protein Name Thrombin-like enzyme okinaxobin-2
SVTLE
EC 3.4.21.-
Fibrinogen-clotting enzyme
Okinaxobin II
Snake venom serine protease
SVSP
Fragment
Gene Name
Organism Ovophis okinavensis (Ryukyu Island pit viper) (Trimeresurus okinavensis)
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 Viperidae Crotalinae (pit vipers) Ovophis Ovophis okinavensis (Ryukyu Island pit viper) (Trimeresurus okinavensis)
Enzyme Sequence VVGGDECNINEHRFLVALYY
Enzyme Length 20
Uniprot Accession Number P0C578
Absorption
Active Site
Activity Regulation ACTIVITY REGULATION: Strongly inactivated by diisopropylfluorophosphate (DFP) and to a lesser extent by tosyl-L-lysine chloromethyl ketone (TLCK). {ECO:0000269|PubMed:7725319}.
Binding Site
Calcium Binding
catalytic Activity
DNA Binding
EC Number 3.4.21.-
Enzyme Function FUNCTION: Thrombin-like snake venom serine protease. Releases both fibrinopeptides A and B from fibrinogen (FGA and FGB) to form fibrin clots. {ECO:0000269|PubMed:7725319}.
Temperature Dependency
PH Dependency BIOPHYSICOCHEMICAL PROPERTIES: pH dependence: Optimum pH is 8.0. {ECO:0000269|PubMed:7725319};
Pathway
nucleotide Binding
Features Chain (1); Domain (1); Non-terminal residue (1)
Keywords Blood coagulation cascade activating toxin;Direct protein sequencing;Glycoprotein;Hemostasis impairing toxin;Hydrolase;Protease;Secreted;Serine protease;Toxin
Interact With
Induction
Subcellular Location SUBCELLULAR LOCATION: Secreted {ECO:0000269|PubMed:7725319}.
Modified Residue
Post Translational Modification PTM: Glycosylated. {ECO:0000269|PubMed:7725319}.
Signal Peptide
Structure 3D
Cross Reference PDB -
Mapped Pubmed ID -
Motif
Gene Encoded By
Mass 2,312
Kinetics BIOPHYSICOCHEMICAL PROPERTIES: Kinetic parameters: KM=118 uM for tosyl-L-arginine methyl ester (TAME) {ECO:0000269|PubMed:7725319}; KM=67 uM for benzoyl-L-arginine p-nitroanilide (BAPA) {ECO:0000269|PubMed:7725319};
Metal Binding
Rhea ID
Cross Reference Brenda