General Information

  • ID:  hor000204
  • Uniprot ID:  Q9U5D2
  • Protein name:  CHH precursor-related peptide 2
  • Gene name:  NA
  • Organism:  Penaeus japonicus (Kuruma prawn) (Marsupenaeus japonicus)
  • Family:  Arthropod CHH/MIH/GIH/VIH hormone family
  • Source:  animal
  • Expression:  medulla terminalis X-organ in the eyestalks
  • Disease:  NA
  • Comments:  NA
  • Taxonomy:  Penaeus (genus), Penaeidae (family), Penaeoidea (superfamily), Dendrobranchiata (suborder), Decapoda (order), Eucarida (superorder), Eumalacostraca (subclass), Malacostraca (class), Multicrustacea (superclass), Crustacea (subphylum), Pancrustacea, Mandibulata, Arthropoda (phylum), Panarthropoda, Ecdysozoa, Protostomia, Bilateria, Eumetazoa, Metazoa (kingdom), Opisthokonta, Eukaryota (superkingdom), cellular organisms
  • GO MF:  GO:0005179 hormone activity; GO:0005184 neuropeptide hormone activity
  • GO BP:  GO:0005975 carbohydrate metabolic process; GO:0006006 glucose metabolic process; GO:0007218 neuropeptide signaling pathway
  • GO CC:  GO:0005576 extracellular region

Sequence Information

  • Sequence:  DAFSPPEASLTGGQSLS
  • Length:  17
  • Propeptide:  MIAFHMVWSALLASLLLLLLAPSASPVDAFSPPEASLTGGQSLSKRSLFDPSCTGVFDRQLLRRLGRVCDDCFNVFREPNVAMECRSNCYNNPVFRQCMEYLLPAHLHDEYRLAVQMVGK
  • Signal peptide:  MIAFHMVWSALLASLLLLLLAPSASPV
  • Modification:  NA
  • Glycosylation:  NA
  • Mutagenesis:  NA

Activity

  • Function:  Hormone found in the sinus gland of isopods and decapods which controls the blood sugar level. Has a secretagogue action over the amylase released from the midgut gland. May act as a stress hormone and may be involved in the control of molting and reproduction.
  • 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-Q9U5D2-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)
    •    hor000204_AF2.pdbhor000204_ESM.pdb

Physical Information

Mass: 194932 Formula: C71H110N18O28
Absent amino acids: CHIKMNRVWY Common amino acids: S
pI: 3.55 Basic residues: 0
Polar residues: 7 Hydrophobic residues: 5
Hydrophobicity: -25.88 Boman Index: -1892
Half-Life: 1.1 hour Half-Life Yeast: 3 min
Half-Life E.Coli: >10 hour Aliphatic Index 57.65
Instability Index: 8492.35 Extinction Coefficient cystines: 0
Absorbance 280nm: 0

Literature

  • PubMed ID:  NA
  • Title:  Cloning and sequence analysis of a cDNA encoding a crustacean hyperglycemic hormone from the Kuruma prawn Penaeus japonicus.