UniProtKB - P59066 (PA2_AUSSU)
Protein
Phospholipase A2
Gene
N/A
Organism
Austrelaps superbus (Lowland copperhead snake) (Hoplocephalus superbus)
Status
Functioni
Snake venom phospholipase A2 (PLA2) that inhibits collagen-, ADP-, thrombin-, ionophore-, adrenaline-, ristocetin-, and arachidonic acid-induced platelet aggregation. Inhibits serotonin release. PLA2 catalyzes the calcium-dependent hydrolysis of the 2-acyl groups in 3-sn-phosphoglycerides.1 Publication
Catalytic activityi
- a 1,2-diacyl-sn-glycero-3-phosphocholine + H2O = a 1-acyl-sn-glycero-3-phosphocholine + a fatty acid + H+EC:3.1.1.4
Cofactori
Ca2+By similarityNote: Binds 1 Ca2+ ion.By similarity
GO - Molecular functioni
- phospholipase A2 activity Source: UniProtKB-EC
- phospholipase A2 activity (consuming 1,2-dipalmitoylphosphatidylcholine) Source: UniProtKB-EC
- phospholipase A2 activity consuming 1,2-dioleoylphosphatidylethanolamine) Source: UniProtKB-EC
- toxin activity Source: UniProtKB-KW
GO - Biological processi
- lipid catabolic process Source: UniProtKB-KW
Keywordsi
Molecular function | Hemostasis impairing toxin, Hydrolase, Platelet aggregation inhibiting toxin, Toxin |
Biological process | Lipid degradation, Lipid metabolism |
Ligand | Calcium |
Names & Taxonomyi
Protein namesi | Recommended name: Phospholipase A2 (EC:3.1.1.4)Short name: svPLA2 Alternative name(s): Phosphatidylcholine 2-acylhydrolase |
Organismi | Austrelaps superbus (Lowland copperhead snake) (Hoplocephalus superbus) |
Taxonomic identifieri | 29156 [NCBI] |
Taxonomic lineagei | Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Lepidosauria › Squamata › Bifurcata › Unidentata › Episquamata › Toxicofera › Serpentes › Colubroidea › Elapidae › Acanthophiinae › Austrelaps |
Subcellular locationi
Extracellular region or secreted
Extracellular region or secreted
- extracellular region Source: UniProtKB-SubCell
Keywords - Cellular componenti
SecretedPTM / Processingi
Molecule processing
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
ChainiPRO_0000161609 | 1 – ›17 | Phospholipase A2Add BLAST | ›17 |
Expressioni
Tissue specificityi
Expressed by the venom gland.
Family & Domainsi
Sequence similaritiesi
i Sequence
Sequence statusi: Fragment.
Experimental Info
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Non-terminal residuei | 17 | 1 |
Similar proteinsi
Cross-referencesi
3D structure databases
ModBasei | Search... |
MobiDBi | Search... |
Protocols and materials databases
Structural Biology Knowledgebase | Search... |
Family and domain databases
ProtoNeti | Search... |
Entry informationi
Entry namei | PA2_AUSSU | |
Accessioni | P59066Primary (citable) accession number: P59066 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | November 1, 2002 |
Last sequence update: | November 1, 2002 | |
Last modified: | December 5, 2018 | |
This is version 46 of the entry and version 1 of the sequence. See complete history. | ||
Entry statusi | Reviewed (UniProtKB/Swiss-Prot) | |
Annotation program | Animal Toxin Annotation Program | |
Annotation program | Chordata Protein Annotation Program |
Miscellaneousi
Keywords - Technical termi
Direct protein sequencingDocuments
- SIMILARITY comments
Index of protein domains and families