General Information

  • ID:  hor006319
  • Uniprot ID:  Q91082
  • Protein name:  Melanotropin beta
  • Gene name:  pomc
  • Organism:  Lepisosteus osseus (Long-nosed gar) (Esox osseus)
  • Family:  POMC family
  • Source:  animal
  • Expression:  NA
  • Disease:  NA
  • Comments:  NA
  • Taxonomy:  Lepisosteus (genus), Lepisosteidae (family), Semionotiformes (order), Holostei (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:  DGSYKMHHFRWSRPPKD
  • Length:  17
  • Propeptide:  MLRSVWVYSLGLAVLLQQSGREQCWEHSQCRDLSSEENILECIQACNSDLTAESPIFPGNGHLQPPSEADRNYAKSHFRSTALGRRTNGSVGSSKQAGENAALSILFAALAPPQAEEEMEESESSQQQRREDKRSYSMEHFRWGKPVGRKRRPVKVYPNGVEEESAEAYPTEMRRDLMSDLDYPLLEEVEEELGGENEVLNLQEKKDGSYKMHHFRWSRPPKDKRYGGFMKSWDERSQKPLLTLFKNVIIKDGHQKKGQ
  • Signal peptide:  MLRSVWVYSLGLAVLLQQSGRE
  • Modification:  NA
  • 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-Q91082-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)
    •    hor006319_AF2.pdbhor006319_ESM.pdb

Physical Information

Mass: 242995 Formula: C96H138N30O25S
Absent amino acids: ACEILNQTV Common amino acids: DHKPRS
pI: 10.24 Basic residues: 6
Polar residues: 4 Hydrophobic residues: 2
Hydrophobicity: -193.53 Boman Index: -6604
Half-Life: 1.1 hour Half-Life Yeast: 3 min
Half-Life E.Coli: >10 hour Aliphatic Index 0
Instability Index: 12386.47 Extinction Coefficient cystines: 6990
Absorbance 280nm: 436.88

Literature

  • PubMed ID:  9268621
  • Title:  Deciphering posttranslational processing events in the pituitary of a neopterygian fish: cloning of a gar proopiomelanocortin cDNA.