| IED ID | IndEnz0002011429 |
| Enzyme Type ID | protease011429 |
| Protein Name |
Alpha-fibrinogenase A2 EC 3.4.21.- Snake venom serine protease SVSP Fragment |
| Gene Name | |
| Organism | Crotalus atrox (Western diamondback rattlesnake) |
| 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) Crotalus Crotalus atrox (Western diamondback rattlesnake) |
| Enzyme Sequence | VPGGDECNINEHRSL |
| Enzyme Length | 15 |
| Uniprot Accession Number | Q9PRW3 |
| Absorption | |
| Active Site | |
| Activity Regulation | ACTIVITY REGULATION: Inhibited by PMSF, bovine aprotinin (APR), and soybean trypsin inhibitor (STI). Is not inhibited by EDTA, beta-mercaptoethanol, and high temperature (85 degrees Celsius). {ECO:0000269|PubMed:8024586}. |
| Binding Site | |
| Calcium Binding | |
| catalytic Activity | |
| DNA Binding | |
| EC Number | 3.4.21.- |
| Enzyme Function | FUNCTION: Snake venom serine protease that cleaves fibrinogen Aalpha chain (FGA), partially cleaves Bbeta chain (FGB) and has no activity on gamma chain. Is more potent than A3 alpha-fibrinogenases and less potent than A1. {ECO:0000269|PubMed:8024586}. |
| Temperature Dependency | |
| PH Dependency | |
| Pathway | |
| nucleotide Binding | |
| Features | Chain (1); Disulfide bond (1); Non-terminal residue (1) |
| Keywords | Direct protein sequencing;Disulfide bond;Fibrinogenolytic toxin;Hemostasis impairing toxin;Hydrolase;Protease;Secreted;Serine protease;Toxin |
| Interact With | |
| Induction | |
| Subcellular Location | SUBCELLULAR LOCATION: Secreted {ECO:0000269|PubMed:8024586}. |
| Modified Residue | |
| Post Translational Modification | |
| Signal Peptide | |
| Structure 3D | |
| Cross Reference PDB | - |
| Mapped Pubmed ID | - |
| Motif | |
| Gene Encoded By | |
| Mass | 1,640 |
| Kinetics | |
| Metal Binding | |
| Rhea ID | |
| Cross Reference Brenda |