General Information

  • ID:  hor006565
  • Uniprot ID:  Q09626
  • Protein name:  Probable insulin-like peptide beta-type 1
  • Gene name:  ins-4
  • Organism:  Caenorhabditis elegans
  • Family:  Insulin family
  • Source:  Animal
  • Expression:  Expressed by ASI and ASJ sensory neurons and weakly by ventral cord motor neurons.
  • Disease:  NA
  • Comments:  NA
  • Taxonomy:   Caenorhabditis (genus), Peloderinae (subfamily), Rhabditidae (family), Rhabditoidea (superfamily), Rhabditomorpha (infraorder), Rhabditina (suborder), Rhabditida (order), Chromadorea (class), Nematoda (phylum), Ecdysozoa , Protostomia , Bilateria , Eumetazoa , Metazoa (kingdom), Opisthokonta , Eukaryota (superkingdom),cellular organisms
  • GO MF:  GO:0005179 hormone activity
  • GO BP:  GO:0007165 signal transduction; GO:0008582 regulation of synaptic assembly at neuromuscular junction; GO:0040024 dauer larval development; GO:1905910 negative regulation of dauer entry
  • GO CC:  GO:0005576 extracellular region

Sequence Information

  • Sequence:  VPAGEVRACGRRLLLFVWSTCGEPCTPQEDMDIATVCCTTQCTPSYIKQACCPEK
  • Length:  55(52-106)
  • Propeptide:  MFSFFTYFLLSALLLSASCRQPSMDTSKADRILREIEMETELENQLSRARRVPAGEVRACGRRLLLFVWSTCGEPCTPQEDMDIATVCCTTQCTPSYIKQACCPEK
  • Signal peptide:  MFSFFTYFLLSALLLSASC
  • Modification:  NA
  • Glycosylation:  NA
  • Mutagenesis:  NA

Activity

  • Function:  Probable insulin-like peptide which negatively regulates synapse development at the neuromuscular junctions (PubMed:23665919). Probably acts as a daf-2/InsR agonist ligand to prevent dauer formation under optimal environmental conditions (PubMed:24671950)
  • Mechanism:  NA
  • Cross BBB:  NA
  • Target:  NA
  • Target Unid:  NA
  • IC50: NA
  • EC50: NA
  • ED50: NA
  • kd: NA
  • Half life: NA

Structure

  • Disulfide bond:  9-38; 21-51; 25-52; 37-42
  • Structure ID:  AF-Q09626-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)
  •    hor006565_AF2.pdbhor006565_ESM.pdb

Physical Information

Mass: 697439 Formula: C254H408N70O80S9
Absent amino acids: HN Common amino acids: C
pI: 4.77 Basic residues: 5
Polar residues: 20 Hydrophobic residues: 15
Hydrophobicity: -1.64 Boman Index: -7080
Half-Life: 100 hour Half-Life Yeast: >20 hour
Half-Life E.Coli: >10 hour Aliphatic Index 63.82
Instability Index: 8107.45 Extinction Coefficient cystines: 7490
Absorbance 280nm: 138.7

Literature

  • PubMed ID:  9851916
  • Title:  Genome sequence of the nematode C. elegans: a platform for investigating biology.
  • PubMed ID:  9548970
  • Title:  New insulin-like proteins with atypical disulfide bond pattern characterized in Caenorhabditis elegans by comparative sequence analysis and homology modeling.
  • PubMed ID:  23665919
  • Title:  Attenuation
  • PubMed ID:  24671950
  • Title: