IED ID | IndEnz0010001860 |
Enzyme Type ID | esterase001860 |
Protein Name |
Snake venom serine protease AHP-Ka SVSP EC 3.4.21.- Fragment |
Gene Name | |
Organism | Gloydius halys (Chinese water mocassin) (Agkistrodon halys) |
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) Gloydius Gloydius halys (Chinese water mocassin) (Agkistrodon halys) |
Enzyme Sequence | VIGGDECNINEHRFL |
Enzyme Length | 15 |
Uniprot Accession Number | P0DJG5 |
Absorption | |
Active Site | |
Activity Regulation | ACTIVITY REGULATION: Inhibited by PMSF, Fe(3+), Fe(2+), Cu(2+), Cd(2+), Mn(2+), and Al(3+). Not inhibited by Ca(2+) and Mg(2+) and EDTA. {ECO:0000269|PubMed:22162083}. |
Binding Site | |
Calcium Binding | |
catalytic Activity | |
DNA Binding | |
EC Number | 3.4.21.- |
Enzyme Function | FUNCTION: Snake venom serine protease that hydrolyzes specific chromogenic substrate S-2302 suggesting that AHP-Ka is a plasma kallikrein. Has esterase activity on alpha-N-benzoyl-L-arginine ethyl ester hydrochloride (BAEE) and amidolytic activity. {ECO:0000269|PubMed:22162083}. |
Temperature Dependency | BIOPHYSICOCHEMICAL PROPERTIES: Temperature dependence: Optimum temperature is 30-40 degrees Celsius. {ECO:0000269|PubMed:22162083}; |
PH Dependency | BIOPHYSICOCHEMICAL PROPERTIES: pH dependence: Optimum pH is 7-8. {ECO:0000269|PubMed:22162083}; |
Pathway | |
nucleotide Binding | |
Features | Chain (1); Disulfide bond (1); Domain (1); Non-terminal residue (1) |
Keywords | Direct protein sequencing;Disulfide bond;Glycoprotein;Hydrolase;Protease;Secreted;Serine protease;Toxin |
Interact With | |
Induction | |
Subcellular Location | SUBCELLULAR LOCATION: Secreted. |
Modified Residue | |
Post Translational Modification | PTM: N-glycosylated. Cleavage of N-glycans reduces the catalytic enzymatic efficiency. |
Signal Peptide | |
Structure 3D | |
Cross Reference PDB | - |
Mapped Pubmed ID | - |
Motif | |
Gene Encoded By | |
Mass | 1,716 |
Kinetics | |
Metal Binding | |
Rhea ID | |
Cross Reference Brenda |