General Information

  • ID:  hor003867
  • Uniprot ID:  P21252
  • Protein name:  Met-enkephalin
  • Gene name:  pomc
  • Organism:  Loxodonta africana (African elephant)
  • Family:  POMC family
  • Source:  animal
  • Expression:  ACTH and MSH are produced by the pituitary gland.
  • Disease:  NA
  • Comments:  NA
  • Taxonomy:  Loxodonta (genus), Elephantidae (family), Proboscidea (order), Afrotheria (superorder), 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:0005179 hormone activity
  • GO BP:  GO:0007218 neuropeptide signaling pathway
  • GO CC:  GO:0005576 extracellular region

Sequence Information

  • Sequence:  YGGFM
  • Length:  5
  • Propeptide:  SYSMEHFRWGKPVGKKRRPVKVYPNGAEGESAEAFPLEFXXELARERPEPARGPEGPDEGAATQADLDNGLVAEVEATSAEKKDEGPYKMEHFRWGSPAKDKRYGGFMTSEKSQTPLVTLFKNAIIKNAYKKGH
  • Signal peptide:  NA
  • Modification:  NA
  • Glycosylation:  NA
  • Mutagenesis:  NA

Activity

  • Function:  Endogenous orexigenic opiate.
  • Mechanism:  NA
  • Cross BBB:  YES
  • Target:  NA
  • Target Unid:  NA
  • IC50: NA
  • EC50: NA
  • ED50: NA
  • kd: NA
  • Half life: 12.8 minutes; /768 seconds ( PubMed ID: 3215483 )

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)
    •    hor003867_AF2.pdbhor003867_ESM.pdb

Physical Information

Mass: 64519 Formula: C27H35N5O7S
Absent amino acids: ACDEHIKLNPQRSTVW Common amino acids: G
pI: 6.09 Basic residues: 0
Polar residues: 3 Hydrophobic residues: 1
Hydrophobicity: 52 Boman Index: 707
Half-Life: 2.8 hour Half-Life Yeast: 10 min
Half-Life E.Coli: 2 min Aliphatic Index 0
Instability Index: 1570 Extinction Coefficient cystines: 1490
Absorbance 280nm: 372.5

Literature

  • PubMed ID:  2854538##3215483
  • Title:  Isolation and primary structures of elephant adrenocorticotropin and beta-lipotropin.