IED ID | IndEnz0002012542 |
Enzyme Type ID | protease012542 |
Protein Name |
Thrombin-like enzyme cerastotin SVTLE EC 3.4.21.- Fibrinogen-clotting enzyme Snake venom serine protease SVSP Fragments |
Gene Name | |
Organism | Cerastes cerastes (Horned desert viper) |
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 Viperinae (vipers) Cerastes Cerastes cerastes (Horned desert viper) |
Enzyme Sequence | VIGGAECNINEHRSLVLLYYSSRLFGGGTLINKEWVLSAAHCDGENMKIIYXXXXXXXXXXKDRQIRVAKKYFCRDRKKSVIDKDIMLIKKPVNGSTH |
Enzyme Length | 98 |
Uniprot Accession Number | P81038 |
Absorption | |
Active Site | ACT_SITE 41; /note=Charge relay system; /evidence=ECO:0000250; ACT_SITE 85; /note=Charge relay system; /evidence=ECO:0000250 |
Activity Regulation | ACTIVITY REGULATION: Inhibited by PMSF. {ECO:0000269|PubMed:9249017}. |
Binding Site | |
Calcium Binding | |
catalytic Activity | |
DNA Binding | |
EC Number | 3.4.21.- |
Enzyme Function | FUNCTION: Thrombin-like snake venom serine protease that preferentially cleaves the alpha-chain of fibrinogen (FGA). Induce platelet aggregation in the presence of exogenous fibrinogen. Possesses esterase and amidolytic activities. {ECO:0000269|PubMed:9249017}. |
Temperature Dependency | |
PH Dependency | |
Pathway | |
nucleotide Binding | |
Features | Active site (2); Chain (1); Domain (1); Glycosylation (1); Non-terminal residue (1) |
Keywords | Blood coagulation cascade activating toxin;Direct protein sequencing;Glycoprotein;Hemostasis impairing toxin;Hydrolase;Platelet aggregation activating toxin;Protease;Secreted;Serine protease;Toxin |
Interact With | |
Induction | |
Subcellular Location | SUBCELLULAR LOCATION: Secreted. |
Modified Residue | |
Post Translational Modification | |
Signal Peptide | |
Structure 3D | |
Cross Reference PDB | - |
Mapped Pubmed ID | - |
Motif | |
Gene Encoded By | |
Mass | 11,168 |
Kinetics | |
Metal Binding | |
Rhea ID | |
Cross Reference Brenda |