| UniProt functional annotation for P22030 | |||
| UniProt code: P22030. |
| Organism: | Bothrops jararaca (Jararaca) (Bothrops jajaraca). | |
| Taxonomy: | Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Lepidosauria; Squamata; Bifurcata; Unidentata; Episquamata; Toxicofera; Serpentes; Colubroidea; Viperidae; Crotalinae; Bothrops. | |
| Function: | Snaclec that binds to von Willebrand factor (VWF) and induces its interaction with GPIbalpha (GP1BA) (via the vWF A1 domain), resulting in platelet aggregation. | |
| Subunit: | Heterodimer of subunits alpha and beta; disulfide-linked. Botrocetin and vWF form a soluble complex. {ECO:0000269|PubMed:11148028, ECO:0000269|PubMed:12121649, ECO:0000269|PubMed:15665869, ECO:0000269|PubMed:8430107}. | |
| Subcellular location: | Secreted. | |
| Tissue specificity: | Expressed by the venom gland. | |
| Biotechnology: | Is a standard reagent for testing vWF/platelet interactions and detection of the defects in von Willebrand disease and in GPIb-related disorders such as Bernard-Soulier syndrome. | |
| Miscellaneous: | There are two distinct forms of the vWF-dependent platelet coagglutinin. The dimeric form (snaclec) is 34-fold more active than the metalloprotease botrocetin in promoting vWF binding to platelets (PubMed:1993206). {ECO:0000305|PubMed:1993206}. | |
| Similarity: | Belongs to the snaclec family. {ECO:0000305}. | |
Annotations taken from UniProtKB at the EBI.