General Information

  • ID:  hor002857
  • Uniprot ID:  Q8ISH7
  • Protein name:  Feeding circuit activating peptide d
  • Gene name:  NA
  • Organism:  Aplysia californica (California sea hare)
  • Family:  NA
  • Source:  Animal
  • Expression:  Expressed in pleural, pedal, abdominal, buccal and cerebral ganglia.
  • Disease:  NA
  • Comments:  NA
  • Taxonomy:  Aplysia (genus), Aplysiidae (family), Aplysioidea (superfamily), Aplysiida (order), Tectipleura, Euthyneura, Heterobranchia (subclass), Gastropoda (class), Mollusca (phylum), Lophotrochozoa, Spiralia, Protostomia, 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:  QVDRLGGFQVHGW
  • Length:  13(171-183)
  • Propeptide:  MTFAASFRALLCVLFCAALVHCKTRTKRYVPHSELWRILAVVDELQREQAAEQRQEDALALALRSDIAGGGGGGQLADNVRWFPETYDYGALADRDVDKRVFDSLGGYEVHGFKKRGSLDAIPQDTDASSDKRALDSLGGFQVHGWKRALDTLGGFQVHGWKRGSGAEKRQVDRLGGFQVHGWKKRALDSLGGFQVHGWKKRGTGGQMHASSPRVVPWGSRSLLADTQSGHRWKRDTELVENRQTTGQQTEVNKR
  • Signal peptide:  MTFAASFRALLCVLFCAALVHC
  • Modification:  NA
  • Glycosylation:  NA
  • Mutagenesis:  NA

Activity

  • Function:  May be important and unique components of intercellular signaling in the feeding circuitry and may contribute to the induction and persistence of food-induced arousal
  • 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-Q8ISH7-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)
    •    hor002857_AF2.pdbhor002857_ESM.pdb

Physical Information

Mass: 171290 Formula: C68H99N21O18
Absent amino acids: ACEIKMNPSTY Common amino acids: G
pI: 7.55 Basic residues: 2
Polar residues: 3 Hydrophobic residues: 5
Hydrophobicity: -40.77 Boman Index: -1825
Half-Life / Aliphatic Index: 0.8 hour Aliphatic Index: 74.62
Instability Index: -872.31 Extinction Coefficient cystines: 5500
Absorbance 280nm: 458.33

Literature

  • PubMed ID:  12196603
  • Title:  Identification and characterization of the feeding circuit-activating peptides, a novel neuropeptide family of Aplysia.