General Information

  • ID:  hor001598
  • Uniprot ID:  Q07981
  • Protein name:  SEPYLRF-amide
  • Gene name:  NA
  • Organism:  Cornu aspersum (Brown garden snail) (Helix aspersa)
  • Family:  FARP (FMRFamide related peptide) family
  • Source:  Animal
  • Expression:  Central nervous system.
  • Disease:  NA
  • Comments:  NA
  • Taxonomy:  Cornu (subgenus), Cornu (genus), Helicidae (family), Helicoidea (superfamily), Helicina, Stylommatophora (order), Eupulmonata (superorder), Panpulmonata, Euthyneura, Heterobranchia (subclass), Gastropoda (class), Mollusca (phylum), Lophotrochozoa, Spiralia, Protostomia, Bilateria, Eumetazoa, Metazoa (kingdom), Opisthokonta, Eukaryota (superkingdom), cellular organisms
  • GO MF:  NA
  • GO BP:  GO:0007218 neuropeptide signaling pathway
  • GO CC:  GO:0005576 extracellular region

Sequence Information

  • Sequence:  SEPYLRF
  • Length:  7(114-120)
  • Propeptide:  MTSLCLTIAPAVLSLICLSSYGWAEGDTTDNEYLRFGRENNNGYIRFGRNDPFLRFGKKSDPFLRFGKQDPFLRIGRQDPFLRFGKQDPFLRFGKQDPFLRIGKQDPFLRFGRSEPYLRFGRNDPYLRFGRNDPYLRFGRNDPYLRFGRNDPYLRFGKNDPFLRFGKSVDGEIEAGVDAVTLSREHEFAHENAASDRQKRSAYTDAIDKDNSLTSLVREAREASDSNGQINDGKVVEVPVFRDTRNGHYMRFGKK
  • Signal peptide:  MTSLCLTIAPAVLSLICLS
  • Modification:  T7 Phenylalanine amide
  • Glycosylation:  NA
  • Mutagenesis:  NA

Activity

  • Function:  Can function as both cardioregulatory hormones and transmitters and may regulate cardiovascular function.
  • 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-O73727-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)
    •    AF-O73727-F1.pdbhor001598_AF2.pdbhor001598_ESM.pdb

Physical Information

Mass: 101821 Formula: C43H62N10O12
Absent amino acids: ACDGHIKMNQTVW Common amino acids: EFLPRSY
pI: 6.4 Basic residues: 1
Polar residues: 2 Hydrophobic residues: 2
Hydrophobicity: -72.86 Boman Index: -1737
Half-Life: 1.9 hour Half-Life Yeast: >20 hour
Half-Life E.Coli: >10 hour Aliphatic Index 55.71
Instability Index: 9111.43 Extinction Coefficient cystines: 1490
Absorbance 280nm: 248.33

Literature

  • PubMed ID:  1980513
  • Title:  Seven FMRFamide-related and two SCP-related cardioactive peptides from Helix.