General Information

  • ID:  hor005240
  • Uniprot ID:  P33713
  • Protein name:  Gastrin
  • Gene name:  GAST
  • Organism:  Didelphis virginiana (North American opossum) (Didelphis marsupialis virginiana)
  • Family:  Gastrin/cholecystokinin family
  • Source:  animal
  • Expression:  NA
  • Disease:  NA
  • Comments:  NA
  • Taxonomy:  Didelphis (genus), Didelphinae (subfamily), Didelphidae (family), Didelphimorphia (order), Metatheria, 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 BP:  GO:0007165 signal transduction
  • GO CC:  GO:0005576 extracellular region

Sequence Information

  • Sequence:  QGPWLEEEEAYGWMDF
  • Length:  16
  • Propeptide:  QLGPQDLPYLTADLSKKQGPWLEEEEAYGWMDF
  • Signal peptide:  NA
  • Modification:  T1 Pyrrolidone carboxylic acid;T11 Sulfotyrosine;T16 Phenylalanine amide
  • Glycosylation:  NA
  • Mutagenesis:  NA

Activity

  • Function:  Gastrin stimulates the stomach mucosa to produce and secrete hydrochloric acid and the pancreas to secrete its digestive enzymes. It also stimulates smooth muscle contraction and increases blood circulation and water secretion in the stomach and intestine.
  • 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-P33713-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)
  •    hor005240_AF2.pdbhor005240_ESM.pdb

Physical Information

Mass: 225486 Formula: C92H119N19O29S
Absent amino acids: CHIKNRSTV Common amino acids: E
pI: 3.26 Basic residues: 0
Polar residues: 3 Hydrophobic residues: 5
Hydrophobicity: -101.25 Boman Index: -2304
Half-Life: 0.8 hour Half-Life Yeast: 10 min
Half-Life E.Coli: >10 hour Aliphatic Index 30.63
Instability Index: 8890.63 Extinction Coefficient cystines: 12490
Absorbance 280nm: 832.67

Literature

  • PubMed ID:  2361360
  • Title:  Opossum (Didelphis virginiana) 'little' and 'big' gastrins.