General Information

  • ID:  hor004865
  • Uniprot ID:  P84256
  • Protein name:  Hypertrehalosaemic factor 2
  • Gene name:  NA
  • Organism:  Periplaneta americana (American cockroach) (Blatta americana)
  • Family:  AKH/HRTH/RPCH family
  • Source:  animal
  • Expression:  NA
  • Disease:  NA
  • Comments:  NA
  • Taxonomy:  Periplaneta (genus), Blattinae (subfamily), Blattidae (family), Blattoidea (superfamily), Blattodea (order), Dictyoptera (superorder), Polyneoptera (cohort), Neoptera (infraclass), Pterygota (subclass), Dicondylia, Insecta (class), Hexapoda (subphylum), Pancrustacea, Mandibulata, Arthropoda (phylum), Panarthropoda, Ecdysozoa, 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:  QLTFTPNW
  • Length:  8
  • Propeptide:  QLTFTPNW
  • Signal peptide:  NA
  • Modification:  T1 Pyrrolidone carboxylic acid;T8 Tryptophan amide
  • Glycosylation:  NA
  • Mutagenesis:  NA

Activity

  • Function:  Elevate the level of trehalose in the hemolymph
  • 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:  NA

  • 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)
    •    hor004865_AF2.pdbhor004865_ESM.pdb

Physical Information

Mass: 113116 Formula: C48H67N11O13
Absent amino acids: ACDEGHIKMRSVY Common amino acids: T
pI: 6.11 Basic residues: 0
Polar residues: 3 Hydrophobic residues: 3
Hydrophobicity: -53.75 Boman Index: -709
Half-Life: 0.8 hour Half-Life Yeast: 10 min
Half-Life E.Coli: >10 hour Aliphatic Index 48.75
Instability Index: 1121.25 Extinction Coefficient cystines: 5500
Absorbance 280nm: 785.71

Literature

  • PubMed ID:  6548628
  • Title:  Structures of two cockroach neuropeptides assigned by fast atom bombardment mass spectrometry.
  • PubMed ID:  6591205
  • Title:   Isolation and primary structure of two peptides with cardioacceleratory and hyperglycemic activity from the corpora cardiaca of Periplaneta americana.