General Information

  • ID:  hor006061
  • Uniprot ID:  Q8CH01
  • Protein name:  Hemokinin
  • Gene name:  Tac4
  • Organism:  Rattus norvegicus (Rat)
  • Family:  Tachykinin family
  • Source:  Animal
  • Expression:  NA
  • Disease:  NA
  • Comments:  NA
  • Taxonomy:   Rattus (genus), Murinae (subfamily), Muridae (family), Muroidea , Myomorpha (suborder), Rodentia (order), Glires , Euarchontoglires (superorder), Boreoeutheria , Eutheria , Theria , Mammalia (class), Amniota , 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:0005102 signaling receptor binding; GO:0031835 substance P receptor binding; GO:0031837 substance K receptor binding; GO:0048018 receptor ligand activity
  • GO BP:  GO:0003085 negative regulation of systemic arterial blood pressure; GO:0006954 inflammatory response; GO:0007204 positive regulation of cytosolic calcium ion concentration; GO:0007217 tachykinin receptor signaling pathway; GO:0008217 regulation of blood pressure; GO:0043303 mast cell degranulation; GO:0046878 positive regulation of saliva secretion; GO:0050965 detection of temperature stimulus involved in sensory perception of pain; GO:0051930 regulation of sensory perception of pain; GO:1902093 positive regulation of flagellated sperm motility; GO:1904057 negative regulation of sensory perception of pain
  • GO CC:  GO:0005576 extracellular region; GO:0005615 extracellular space

Sequence Information

  • Sequence:  SRTRQFYGLM
  • Length:  10(57-66)
  • Propeptide:  MLPLLALFLLIGPAVSTTTRDREDLTFGAEAESWVTVNLKGIPVPSIELKLQELKRSRTRQFYGLMGKRVEGVHPIQSAERTGYQLGRIVQDLLGTRGLSIEGSCRQETNHQSAGPGAVARESLQSQRGRSEPPNHQQHVALSLGTEEDDQSSERAPRDASQMMPRPSRP
  • Signal peptide:  MLPLLALFLLIGPAVS
  • Modification:  T10 Methionine amide
  • Glycosylation:  NA
  • Mutagenesis:  NA

Activity

  • Function:  Tachykinins are active peptides which excite neurons, evoke behavioral responses, are potent vasodilators and secretagogues, and contract (directly or indirectly) many smooth muscles. Hemokinin induces plasma extravasation, mast cell degranulation, muscle
  • Mechanism:  NA
  • Cross BBB:  NA
  • Target:  Tacr1
  • Target Unid:  P14600
  • IC50: NA
  • EC50: NA
  • ED50: NA
  • kd: NA
  • Half life: NA

Structure

  • Disulfide bond:  NA
  • Structure ID:  AF-Q8CH01-F1(AlphaFold_DB_ID)
  • 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)
  •    hor006061_AF2.pdbhor006061_ESM.pdb

Physical Information

Mass: 141916 Formula: C55H87N17O15S
Absent amino acids: ACDEHIKNPVW Common amino acids: R
pI: 11.15 Basic residues: 2
Polar residues: 4 Hydrophobic residues: 2
Hydrophobicity: -72 Boman Index: -3030
Half-Life: 1.9 hour Half-Life Yeast: >20 hour
Half-Life E.Coli: >10 hour Aliphatic Index 39
Instability Index: 6409 Extinction Coefficient cystines: 1490
Absorbance 280nm: 165.56

Literature

  • PubMed ID:  12383518
  • Title:  Identification, localization and receptor characterization of novel mammalian substance P-like peptides.
  • PubMed ID:  11786503
  • Title:  Pharmacological profile of the novel mammalian tachykinin, hemokinin 1.
  • PubMed ID:  12044836
  • Title:  Pharmacological profile of hemokinin 1: a novel member of the tachykinin fam
  • PubMed ID:  16102736
  • Title:  
  • PubMed ID:  17628523
  • Title: