General Information

  • ID:  hor004915
  • Uniprot ID:  P80678
  • Protein name:  Gonadoliberin-2
  • Gene name:  NA
  • Organism:  Chelyosoma productum (Solitary ascidian)
  • Family:  GnRH family
  • Source:  Animal
  • Expression:  GNRH neurons lie within blood sinuses close to the gonoducts and gonads in both juveniles and adults, implying that the neuropeptide is released into the bloodstream.
  • Disease:  NA
  • Comments:  NA
  • Taxonomy:  Chelyosoma (genus), Corellidae (family), Phlebobranchia (order), Ascidiacea (class), Tunicata (subphylum), Chordata (phylum), Deuterostomia, Bilateria, Eumetazoa, Metazoa (kingdom), Opisthokonta, Eukaryota (superkingdom), cellular organisms
  • GO MF:  GO:0005179 hormone activity
  • GO BP:  GO:0007165 signal transduction
  • GO CC:  GO:0005576 extracellular region

Sequence Information

  • Sequence:  QHWSLCHAPG
  • Length:  10(1-10)
  • Propeptide:  QHWSLCHAPG
  • Signal peptide:  NA
  • Modification:  T1 Pyrrolidone carboxylic acid;T10 Glycine amide
  • Glycosylation:  NA
  • Mutagenesis:  NA

Activity

  • Function:  Stimulates the secretion of gonadotropins, luteinizing and follicle-stimulating hormones.
  • Mechanism:  NA
  • Cross BBB:  NA
  • Target:  NA
  • Target Unid:   NA
  • IC50:  NA
  • EC50:  NA
  • ED50:  NA
  • Kd:  NA
  • Half life:  NA

Structure

  • Disulfide bond:  45814
  • 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)
    •    hor004915_AF2.pdbhor004915_ESM.pdb

Physical Information

Mass: 129599 Formula: C50H70N16O13S
Absent amino acids: DEFIKMNRTVY Common amino acids: H
pI: 7.52 Basic residues: 2
Polar residues: 3 Hydrophobic residues: 3
Hydrophobicity: -55 Boman Index: -698
Half-Life / Aliphatic Index: 0.8 hour Aliphatic Index: 49
Instability Index: 5798 Extinction Coefficient cystines: 5500
Absorbance 280nm: 611.11

Literature

  • PubMed ID:  8816823
  • Title:  Two new forms of gonadotropin-releasing hormone in a protochordate and the evolutionary implications.