Detail Information for IndEnz0002005390
IED ID IndEnz0002005390
Enzyme Type ID protease005390
Protein Name Cyclotide trypsin inhibitor TopI1
Gene Name
Organism Tityus obscurus (Amazonian scorpion) (Tityus cambridgei)
Taxonomic Lineage cellular organisms Eukaryota Opisthokonta Metazoa Eumetazoa Bilateria Protostomia Ecdysozoa Panarthropoda Arthropoda Chelicerata Arachnida Scorpiones Buthida Buthoidea Buthidae Tityus Tityus obscurus (Amazonian scorpion) (Tityus cambridgei)
Enzyme Sequence MKFIIVLLLLTALTLTSIPVIEGILKRCKTYDDCKDVCKARKGKCEFGICKCMIKSGK
Enzyme Length 58
Uniprot Accession Number A0A6P3CW73
Absorption
Active Site
Activity Regulation
Binding Site
Calcium Binding
catalytic Activity
DNA Binding
EC Number
Enzyme Function FUNCTION: First cyclic scorpion trypsin inhibitor (Kd~0.5 nM). Does not inhibit chymotrypsin. {ECO:0000269|PubMed:32787139}.
Temperature Dependency BIOPHYSICOCHEMICAL PROPERTIES: Temperature dependence: Is very stable at high temperature. {ECO:0000269|PubMed:32787139};
PH Dependency
Pathway
nucleotide Binding
Features Chain (1); Cross-link (1); Disulfide bond (3); Modified residue (1); Mutagenesis (1); Signal peptide (1); Site (2)
Keywords 3D-structure;Amidation;Direct protein sequencing;Disulfide bond;Knottin;Protease inhibitor;Secreted;Serine protease inhibitor;Signal
Interact With
Induction
Subcellular Location SUBCELLULAR LOCATION: Secreted {ECO:0000269|PubMed:32787139}.
Modified Residue MOD_RES 56; /note=Serine amide; /evidence=ECO:0000269|PubMed:32787139
Post Translational Modification PTM: This is a cyclic peptide. {ECO:0000269|PubMed:32787139}.
Signal Peptide SIGNAL 1..23; /evidence=ECO:0000255
Structure 3D X-ray crystallography (1)
Cross Reference PDB 6MRQ;
Mapped Pubmed ID -
Motif
Gene Encoded By
Mass 6,482
Kinetics
Metal Binding
Rhea ID
Cross Reference Brenda