General Information

  • ID:  hor003895
  • Uniprot ID:  Q04617
  • Protein name:  C-terminal peptide 2
  • Gene name:  pomca
  • Organism:  Oncorhynchus mykiss (Rainbow trout) (Salmo gairdneri)
  • Family:  POMC family
  • Source:  animal
  • Expression:  Expressed in sexually active or inactive fish.|C-terminal peptide 1 and C-terminal peptide 2 are detected in the anterior part of the nucleus lateralis tuberis of hypothalamus, in dorsal hypothalamus, thalamus, telencephalon, optic tectum and medulla oblo
  • Disease:  NA
  • Comments:  NA
  • Taxonomy:  Oncorhynchus (genus), Salmoninae (subfamily), Salmonidae (family), Salmoniformes (order), Protacanthopterygii, Euteleosteomorpha (cohort), Clupeocephala, Osteoglossocephalai, Teleostei (infraclass), Neopterygii (subclass), Actinopteri (class), Actinopterygii (superclass), Euteleostomi, Teleostomi, Gnathostomata, Vertebrata, Craniata (subphylum), Chordata (phylum), Deuterostomia, Bilateria, Eumetazoa, Metazoa (kingdom), Opisthokonta, Eukaryota (superkingdom), cellular organisms
  • GO MF:  GO:0005179 hormone activity
  • GO BP:  GO:0007218 neuropeptide signaling pathway
  • GO CC:  GO:0005576 extracellular region

Sequence Information

  • Sequence:  ALGERKYHFQ
  • Length:  10
  • Propeptide:  MLCPAWLLAVAVVGVVRGVKGQCWENPRCHDLSSENNLLECIQLCRSDLTTKSPIFPVKVHLQPPSPSDSDSPPLYLPLSLLSPSSPLYPTEQQNSVSPQAKRSYSMEHFRWGKPVGRKRRPVKVYTNGVEEESSEAFPSEMRRELGTDDAVYPSLEAGTAEGGEAEGMEGVFSLQEKKDGSYKMNHFRWSGPPASKRYGGFMKSWDERSQKPLLTLFKNVIIKDGQQKREQWGREEGEEKRALGERKYHFQG
  • Signal peptide:  MLCPAWLLAVAVVGVVRGVKG
  • Modification:  T10 Glutamine amide
  • Glycosylation:  NA
  • Mutagenesis:  NA

Activity

  • Function:  [Corticotropin]: Stimulates the adrenal glands to release cortisol.; Melanocyte-stimulating hormone alpha: Anorexigenic peptide. Increases the pigmentation of skin by increasing melanin production in melanocytes.; Melanocyte-stimulating hormone beta: Increases the pigmentation of skin by increasing melanin production in melanocytes.; Beta-endorphin: Endogenous orexigenic opiate.; [Met-enkephalin]: Endogenous opiate.
  • 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:  AF-Q04617-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)
    •    hor003895_AF2.pdbhor003895_ESM.pdb

Physical Information

Mass: 140912 Formula: C57H85N17O15
Absent amino acids: CDIMNPSTVW Common amino acids: AEFGHKLQRY
pI: 9.3 Basic residues: 3
Polar residues: 2 Hydrophobic residues: 3
Hydrophobicity: -119 Boman Index: -2697
Half-Life: 4.4 hour Half-Life Yeast: >20 hour
Half-Life E.Coli: >10 hour Aliphatic Index 49
Instability Index: 343 Extinction Coefficient cystines: 1490
Absorbance 280nm: 165.56

Literature

  • PubMed ID:  9299569
  • Title:  Isolation and Structural Characterization of Two Novel Peptides Derived From Proopiomelanocortin in the Pituitary of the Rainbow Trout