General Information

  • ID:  hor004472
  • Uniprot ID:  P85809
  • Protein name:  Tachykinin-related peptide 8
  • Gene name:  NA
  • Organism:  Rhodnius prolixus (Triatomid bug)
  • Family:  Tachykinin family
  • Source:  animal
  • Expression:  NA
  • Disease:  NA
  • Comments:  NA
  • Taxonomy:  Rhodnius (genus), Triatominae (subfamily), Reduviidae (family), Reduvioidea (superfamily), Cimicomorpha (infraorder), Panheteroptera, Neoheteroptera, Euheteroptera, Heteroptera (suborder), Prosorrhyncha, Hemiptera (order), Paraneoptera (cohort), Neoptera (infraclass), Pterygota (subclass), Dicondylia, Insecta (class), Hexapoda (subphylum), Pancrustacea, Mandibulata, Arthropoda (phylum), Panarthropoda, Ecdysozoa, Protostomia, Bilateria, Eumetazoa, Metazoa (kingdom), Opisthokonta, Eukaryota (superkingdom), cellular organisms
  • GO MF:  NA
  • GO BP:  GO:0007218 neuropeptide signaling pathway
  • GO CC:  GO:0005576 extracellular region

Sequence Information

  • Sequence:  FVGMR
  • Length:  5
  • Propeptide:  QERRAMGFVGMR
  • Signal peptide:  NA
  • Modification:  T5 Arginine amide
  • Glycosylation:  NA
  • Mutagenesis:  NA

Activity

  • Function:  Myoactive peptide. Increases the amplitude and frequency of spontaneous contractions and tonus of hindgut muscle.
  • 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)
  •    hor004472_AF2.pdbhor004472_ESM.pdb

Physical Information

Mass: 68028 Formula: C27H44N8O6S
Absent amino acids: ACDEHIKLNPQSTWY Common amino acids: FGMRV
pI: 10.55 Basic residues: 1
Polar residues: 1 Hydrophobic residues: 2
Hydrophobicity: 80 Boman Index: -461
Half-Life: 1.1 hour Half-Life Yeast: 3 min
Half-Life E.Coli: 2 min Aliphatic Index 58
Instability Index: -2406 Extinction Coefficient cystines: 0
Absorbance 280nm: 0

Literature

  • PubMed ID:  19137558
  • Title:  The neuropeptidome of Rhodnius prolixus brain.