General Information

  • ID:  hor005984
  • Uniprot ID:  P62541
  • Protein name:  Caerulein-1.2
  • Gene name:  NA
  • Organism:  Ranoidea splendida (Magnificent tree frog) (Litoria splendida)
  • Family:  Gastrin/cholecystokinin family
  • Source:  animal
  • Expression:  Expressed by the skin dorsal glands.
  • Disease:  NA
  • Comments:  NA
  • Taxonomy:   Ranoidea (genus), Pelodryadinae (subfamily), Hylidae (family), Hyloidea (superfamily), Neobatrachia (suborder), Anura (order), Batrachia (superorder), Amphibia (class), Tetrapoda , Dipnotetrapodomorpha , Sarcopterygii (superclass), Euteleostomi , Teleostomi , Gnathostomata , Vertebrata , Craniata (subphylum), Chordata (phylum), Deuterostomia , Bilateria , Eumetazoa , Metazoa (kingdom), Opisthokonta , Eukaryota (superkingdom),cellular organisms
  • GO MF:  NA
  • GO BP:  GO:0006952 defense response; GO:0008217 regulation of blood pressure
  • GO CC:  GO:0005576 extracellular region

Sequence Information

  • Sequence:  QQDYTGWFDF
  • Length:  10(1-10)
  • Propeptide:  QQDYTGWFDF
  • Signal peptide:  NA
  • Modification:  T1 Pyrrolidone carboxylic acid;T4 Sulfotyrosine;T10 Phenylalanine amide
  • Glycosylation:  NA
  • Mutagenesis:  NA

Activity

  • Function:  Hypotensive neuropeptide.
  • Mechanism:  NA
  • Cross BBB:  NA
  • Target:  NA
  • Target Unid:  NA
  • IC50: NA
  • EC50: NA
  • ED50: NA
  • kd: NA
  • Half life: NA

Structure

  • Disulfide bond:  NA
  • 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)
    •    hor005984_AF2.pdbhor005984_ESM.pdb

Physical Information

Mass: 146707 Formula: C62H75N13O19
Absent amino acids: ACEHIKLMNPRSV Common amino acids: DFQ
pI: 3.49 Basic residues: 0
Polar residues: 3 Hydrophobic residues: 3
Hydrophobicity: -117 Boman Index: -2200
Half-Life: 0.8 hour Half-Life Yeast: 10 min
Half-Life E.Coli: >10 hour Aliphatic Index 0
Instability Index: 4768 Extinction Coefficient cystines: 6990
Absorbance 280nm: 776.67

Literature

  • PubMed ID:  10601876
  • Title:  Differences in the skin peptides of the male and female Australian tree frog Litoria splendida. The discovery of the aquatic male sex pheromone splendipherin, together with phe8 caerulein and a new antibiotic peptide caerin 1.10.