General Information

  • ID:  hor006021
  • Uniprot ID:  P85165
  • Protein name:  Bradykinin-potentiating peptide Phypo Xa
  • Gene name:  NA
  • Organism:  Pithecopus hypochondrialis (Orange-legged leaf frog) (Phyllomedusa hypochondrialis)
  • Family:  Bradykinin-potentiating peptide family
  • Source:  Animal
  • Expression:  Expressed by the skin glands.
  • Disease:  NA
  • Comments:  NA
  • Taxonomy:   Pithecopus (genus), Phyllomedusinae (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:  GO:0090729 toxin activity
  • GO BP:  GO:0008217 regulation of blood pressure; GO:0035821 modulation of process of another organism
  • GO CC:  GO:0005576 extracellular region

Sequence Information

  • Sequence:  QFRPSYQIPP
  • Length:  10(1-10)
  • Propeptide:  QFRPSYQIPP
  • Signal peptide:  NA
  • Modification:  T1 Pyrrolidone carboxylic acid
  • Glycosylation:  NA
  • Mutagenesis:  NA

Activity

  • Function:  This peptide both inhibits the activity of the angiotensin-converting enzyme and enhances the action of bradykinin by inhibiting the peptidases that inactivate it. It acts as an indirect hypotensive agent.
  • 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)
    •    hor006021_AF2.pdbhor006021_ESM.pdb

Physical Information

Mass: 139310 Formula: C58H85N15O15
Absent amino acids: ACDEGHKLMNTVW Common amino acids: P
pI: 9.35 Basic residues: 1
Polar residues: 2 Hydrophobic residues: 2
Hydrophobicity: -111 Boman Index: -2164
Half-Life / Aliphatic Index: 0.8 hour Aliphatic Index: 39
Instability Index: 5636 Extinction Coefficient cystines: 1490
Absorbance 280nm: 165.56

Literature

  • PubMed ID:  17098329
  • Title:  Isolation and characterization of a novel bradykinin potentiating peptide (BPP) from the skin secretion of Phyllomedusa hypochondrialis.