General Information

  • ID:  hor005921
  • Uniprot ID:  P06298
  • Protein name:  Melanotropin gamma
  • Gene name:  pomc-a
  • Organism:  Xenopus laevis (African clawed frog)
  • Family:  POMC family
  • Source:  animal
  • Expression:  NA
  • Disease:  NA
  • Comments:  NA
  • Taxonomy:  Xenopus (subgenus), Xenopus (genus), Xenopodinae (subfamily), Pipidae (family), Pipoidea (superfamily), Anura (order), Batrachia (superorder), Amphibia (class), 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:  YVMTHFRWNKF
  • Length:  11
  • Propeptide:  MFRPLWGCFLAILGICIFHIGEVQSQCWESSRCADLSSEDGVLECIKACKTDLSAESPVFPGNGHLQPLSESIRKYVMTHFRWNKFGRRNSTGNDGSNTGYKREDISSYPVFSLFPLSDQNAPGDNMEEEPLDRQENKRAYSMEHFRWGKPVGRKRRPIKVYPNGVEEESAESYPMELRRELSLELDYPEIDLDEDIEDNEVESALTKKNGNYRMHHFRWGSPPKDKRYGGFMTPERSQTPLMTLFKNAIIKNSHKKGQ
  • Signal peptide:  MFRPLWGCFLAILGICIFHIGEVQS
  • Modification:  T11 Phenylalanine 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-P06298-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)
  •    hor005921_AF2.pdbhor005921_ESM.pdb

Physical Information

Mass: 170733 Formula: C74H101N19O15S
Absent amino acids: ACDEGILPQS Common amino acids: F
pI: 10.45 Basic residues: 3
Polar residues: 3 Hydrophobic residues: 4
Hydrophobicity: -57.27 Boman Index: -1980
Half-Life: 2.8 hour Half-Life Yeast: 10 min
Half-Life E.Coli: 2 min Aliphatic Index 26.36
Instability Index: 8186.36 Extinction Coefficient cystines: 6990
Absorbance 280nm: 699

Literature

  • PubMed ID:  3754961
  • Title:  Expression of two proopiomelanocortin genes in the pituitary gland of Xenopus laevis: complete structures of the two preprohormones.
  • PubMed ID:  1584015
  • Title:  Comparative structural analysis of the transcriptionally active proopiomelanocortin genes A and B of Xenopus laevis.
  • PubMed ID:  3840481
  • Title:  Nucleotide sequence of cloned cDNA for pro-opiomelanocortin in the amphibian Xenopus laevis.
  • PubMed ID:  2564347
  • Title:  Particular processing of pro-opiomelanocortin in Xenopus laevis intermediate pituitary. Sequencing of alpha- and beta-melanocyte-stimulating hormones.