General Information

  • ID:  hor001776
  • Uniprot ID:  Q9ESQ9
  • Protein name:  Neuropeptide RFRP-1
  • Gene name:  Npvf
  • Organism:  Rattus norvegicus (Rat)
  • Family:  FARP (FMRFamide related peptide) family
  • Source:  animal
  • Expression:  Isoform 1 is expressed at high levels in the hypothalamus and eye. Isoform 2 is specifically expressed in a region between the dorsomedial hypothalamic and ventromedial hypothalamic nuclei.
  • Disease:  NA
  • Comments:  NA
  • Taxonomy:  Rattus (genus), Murinae (subfamily), Muridae (family), Muroidea, Myomorpha (suborder), Rodentia (order), Glires, Euarchontoglires (superorder), Boreoeutheria, 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:0005102 signaling receptor binding
  • GO BP:  GO:0007218 neuropeptide signaling pathway; GO:0032277 negative regulation of gonadotropin secretion
  • GO CC:  GO:0005576 extracellular region

Sequence Information

  • Sequence:  VPHSAANLPLRF
  • Length:  12(83-94)
  • Propeptide:  MEIISSKRFILLTLATSSFLTSNTLCSDELMMPHFHSKEGYGKYYQLRGIPKGVKERSVTFQELKDWGAKKDIKMSPAPANKVPHSAANLPLRFGRNIEDRRSPRARANMEAGTMSHFPSLPQRFGRTTARRITKTLAGLPQKSLHSLASSELLYAMTRQHQEIQSPGQEQPRKRVFTETDDAERKQEKIGNLQPVLQGAMKL
  • Signal peptide:  MEIISSKRFILLTLATSSFLTSNTLC
  • Modification:  T12 Phenylalanine amide
  • Glycosylation:  NA
  • Mutagenesis:  NA

Activity

  • Function:  Acts as a potent negative regulator of gonadotropin synthesis and secretion
  • Mechanism:  NA
  • Cross BBB:  NA
  • Target:  Npffr1
  • Target Unid:  Q9EP86
  • IC50: NA
  • EC50: NA
  • ED50: NA
  • kd: NA
  • Half life: NA

Structure

  • Disulfide bond:  NA
  • Structure ID:  AF-Q9ESQ9-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)
  •    hor001776_AF2.pdbhor001776_ESM.pdb

Physical Information

Mass: 151793 Formula: C61H96N18O15
Absent amino acids: CDEGIKMQTWY Common amino acids: ALP
pI: 10.55 Basic residues: 2
Polar residues: 2 Hydrophobic residues: 6
Hydrophobicity: 25 Boman Index: -914
Half-Life: 100 hour Half-Life Yeast: >20 hour
Half-Life E.Coli: >10 hour Aliphatic Index 105.83
Instability Index: 5731.67 Extinction Coefficient cystines: 0
Absorbance 280nm: 0

Literature

  • PubMed ID:  NA
  • Title:  NA