General Information

  • ID:  hor004509
  • Uniprot ID:  P60042
  • Protein name:  Somatostatin-28
  • Gene name:  Sst
  • Organism:  Rattus norvegicus (Rat)
  • Family:  Somatostatin family
  • Source:  Animal
  • Expression:  Somatostatin is detected in neurons throughout the brain, including in the lateral septum, nucleus accumbens, amygdaloid complex, hypothalamic periventricular nucleus, hippocampus, cortex, cerebellum and several brainstem nuclei (at protein level) .
  • Disease:  NA
  • Comments:  NA
  • Taxonomy:  Rattus (genus), Murinae (subfamily), Muridae (family), Muroidea, Myomorpha (suborder), Rodentia (order), Glires, Euarchontoglires (superorder), Boreoeutheria, Eutheria, Theria, Mammalia (class), Amniota, Tetrapoda, Dipnotetrapodomorpha, Sarcopterygii (superclass), Euteleostomi, Teleostomi, Gnathostomata, Vertebrata, Craniata (subphylum), Chordata (phylum), Deuterostomia, Bilateria, Eumetazoa, Metazoa (kingdom), Opisthokonta, Eukaryota (superkingdom), cellular organisms
  • GO MF:  GO:0005179 hormone activity; GO:0048018 receptor ligand activity
  • GO BP:  GO:0006972 hyperosmotic response; GO:0009410 response to xenobiotic stimulus; GO:0010243 response to organonitrogen compound; GO:0010447 response to acidic pH; GO:0030334 regulation of cell migration; GO:0038170 somatostatin signaling pathway; GO:0043200 response to amino acid; GO:0048545 response to steroid hormone; GO:0099072 regulation of postsynaptic membrane neurotransmitter receptor levels
  • GO CC:  GO:0005576 extracellular region; GO:0005615 extracellular space; GO:0043025 neuronal cell body; GO:0098982 GABA-ergic synapse; GO:0098992 neuronal dense core vesicle

Sequence Information

  • Sequence:  SANSNPAMAPRE
  • Length:  12(89-100)
  • Propeptide:  MLSCRLQCALAALCIVLALGGVTGAPSDPRLRQFLQKSLAAATGKQELAKYFLAELLSEPNQTENDALEPEDLPQAAEQDEMRLELQRSANSNPAMAPRERKAGCKNFFWKTFTSC
  • Signal peptide:  MLSCRLQCALAALCIVLALGGVTG
  • Modification:  NA
  • Glycosylation:  NA
  • Mutagenesis:  NA

Activity

  • Function:  [Somatostatin-14]: Inhibits the secretion of pituitary hormones, including that of growth hormone/somatotropin (GH1), PRL, ACTH, luteinizing hormone (LH) and TSH. Also impairs ghrelin- and GnRH-stimulated secretion of GH1 and LH; the inhibition of ghrelin
  • Mechanism:  NA
  • Cross BBB:  NA
  • Target:  Sstr2, Sstr3
  • Target Unid:   P30680, P30936
  • IC50:  NA
  • EC50:  NA
  • ED50:  NA
  • Kd:  NA
  • Half life:  NA

Structure

  • Disulfide bond:  NA
  • Structure ID:  AF-P60042-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)
    •    hor004509_AF2.pdbhor004509_ESM.pdb

Physical Information

Mass: 144072 Formula: C49H81N17O19S
Absent amino acids: CDFGHIKLQTVWY Common amino acids: A
pI: 6.41 Basic residues: 1
Polar residues: 4 Hydrophobic residues: 3
Hydrophobicity: -104.17 Boman Index: -3403
Half-Life / Aliphatic Index: 1.9 hour Aliphatic Index: 25
Instability Index: 4211.67 Extinction Coefficient cystines: 0
Absorbance 280nm: 0

Literature

  • PubMed ID:  23410195
  • Title:  Neurotoxin-Induced Neuropeptide Perturbations in Striatum of Neonatal Rats