General Information

  • ID:  hor004902
  • Uniprot ID:  P42996
  • Protein name:  Asvatocin
  • Gene name:  NA
  • Organism:  Scyliorhinus canicula (Small-spotted catshark) (Squalus canicula)
  • Family:  Vasopressin/oxytocin family
  • Source:  Animal
  • Expression:  NA
  • Disease:  NA
  • Comments:  NA
  • Taxonomy:  Scyliorhinus (genus), Scyliorhinidae (family), Carcharhiniformes (order), Galeoidea (superorder), Galeomorphii, Selachii (infraclass), Elasmobranchii (subclass), Chondrichthyes (class), Gnathostomata, Vertebrata, Craniata (subphylum), Chordata (phylum), Deuterostomia, Bilateria, Eumetazoa, Metazoa (kingdom), Opisthokonta, Eukaryota (superkingdom), cellular organisms
  • GO MF:  GO:0005179 hormone activity; GO:0005185 neurohypophyseal hormone activity
  • GO BP:  GO:0007165 signal transduction
  • GO CC:  GO:0005576 extracellular region

Sequence Information

  • Sequence:  CYINNCPVG
  • Length:  9(1-9)
  • Propeptide:  CYINNCPVG
  • Signal peptide:  NA
  • Modification:  T9 Glycine amide
  • Glycosylation:  NA
  • Mutagenesis:  NA

Activity

  • Function:  Displays oxytocic activity on rat uterus.
  • Mechanism:  NA
  • Cross BBB:  NO
  • Target:  NA
  • Target Unid:  NA
  • IC50: NA
  • EC50: NA
  • ED50: NA
  • kd: NA
  • Half life: NA

Structure

  • Disulfide bond:  45663
  • Structure ID:  NA

  • Structure: (PDB_ID-from https://www.rcsb.org/; AlphaFold_DB_ID-from https://alphafold.ebi.ac.uk/; hordbxxxxxx_AF2.pdb was predicted structure by AlphaFold2; hordbxxxxxx_ESM.pdb was predicted structure by ESMFold)
    •    hor004902_AF2.pdbhor004902_ESM.pdb

Physical Information

Mass: 112502 Formula: C41H63N11O13S2
Absent amino acids: ADEFHKLMQRSTW Common amino acids: CN
pI: 5.81 Basic residues: 0
Polar residues: 6 Hydrophobic residues: 2
Hydrophobicity: 37.78 Boman Index: -96
Half-Life: 1.2 hour Half-Life Yeast: >20 hour
Half-Life E.Coli: >10 hour Aliphatic Index 75.56
Instability Index: 3905.56 Extinction Coefficient cystines: 1615
Absorbance 280nm: 201.88

Literature

  • PubMed ID:  7972045
  • Title:  Special evolution of neurohypophysial hormones in cartilaginous fishes: asvatocin and phasvatocin, two oxytocin-like peptides isolated from the spotted dogfish (Scyliorhinus caniculus).