General Information

  • ID:  hor006063
  • Uniprot ID:  Q9HCQ7
  • Protein name:  Neuropeptide RFRP-2
  • Gene name:  NPVF
  • Organism:  Homo sapiens (Human)
  • Family:  FARP (FMRFamide related peptide) family
  • Source:  Human
  • Expression:  Isoform 1 is specifically expressed in the retina. Neuropeptides RFRP-1 and NPVF are detected in the hypothalamus.
  • Disease:  Diseases associated with NPVF include Precocious Puberty, Central, 1.
  • Comments:  NA
  • Taxonomy:  Homo (genus), Homininae (subfamily), Hominidae (family), Hominoidea (superfamily), Catarrhini (parvorder), Simiiformes (infraorder), Haplorrhini (suborder), Primates (order), 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:0005515 protein binding
  • GO BP:  GO:0007218 neuropeptide signaling pathway; GO:0032277 negative regulation of gonadotropin secretion
  • GO CC:  GO:0005576 extracellular region

Sequence Information

  • Sequence:  SAGATANLPLRS
  • Length:  12(101-112)
  • Propeptide:  MEIISSKLFILLTLATSSLLTSNIFCADELVMSNLHSKENYDKYSEPRGYPKGERSLNFEELKDWGPKNVIKMSTPAVNKMPHSFANLPLRFGRNVQEERSAGATANLPLRSGRNMEVSLVRRVPNLPQRFGRTTTAKSVCRMLSDLCQGSMHSPCANDLFYSMTCQHQEIQNPDQKQSRRLLFKKIDDAELKQEK
  • Signal peptide:  MEIISSKLFILLTLATSSLLTSNIFC
  • Modification:  NA
  • Glycosylation:  NA
  • Mutagenesis:  NA

Activity

  • Function:  Neuropeptide RFRP-1 acts as a potent negative regulator of gonadotropin synthesis and secretion. Neuropeptides NPSF and NPVF efficiently inhibit forskolin-induced production of cAMP, but RFRP-2 shows no inhibitory activity. Neuropeptide RFRP-1 induces sec
  • 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-Q9HCQ7-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)
  •    hor006063_AF2.pdbhor006063_ESM.pdb

Physical Information

Mass: 135368 Formula: C48H84N16O17
Absent amino acids: CDEFHIKMQVWY Common amino acids: A
pI: 10.55 Basic residues: 1
Polar residues: 5 Hydrophobic residues: 5
Hydrophobicity: 5.83 Boman Index: -1472
Half-Life: 1.9 hour Half-Life Yeast: >20 hour
Half-Life E.Coli: >10 hour Aliphatic Index 90
Instability Index: 7080.83 Extinction Coefficient cystines: 0
Absorbance 280nm: 0

Literature

  • PubMed ID:  11025660
  • Title:  New neuropeptides containing carboxy-terminal RFamide and their receptor in mammals.
  • PubMed ID:  11481330
  • Title:  Identification and characterization of novel mammalian neuropeptide FF-like peptides that attenuate morphine-induced antinociception.
  • PubMed ID:  11951088
  • Title:  Genomic structure and assessment o
  • PubMed ID:  12853948
  • Title:  
  • PubMed ID:  12690205
  • Title:  
  • PubMed ID:  20027225
  • Title: