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Proglucagon Expression
Glucagon- 1GCN.jpg
Available structures
PDBOrtholog search: PDBe RCSB
AliasesGCG, GLP1, GLP2, GRPP, GLP-1, GLP, glucagon, proglucagon
External IDsOMIM: 138030 MGI: 95674 HomoloGene: 136497 GeneCards: GCG
Gene location (Human)
Chromosome 2 (human)
Chr.Chromosome 2 (human)[1]
Chromosome 2 (human)
Genomic location for GCG
Genomic location for GCG
Band2q24.2Start162,142,882 bp[1]
End162,152,404 bp[1]
RNA expression pattern
PBB GE GCG 206422 at fs.png
More reference expression data
RefSeq (mRNA)



RefSeq (protein)



Location (UCSC)Chr 2: 162.14 – 162.15 MbChr 2: 62.47 – 62.48 Mb
PubMed search[3][4]
View/Edit HumanView/Edit Mouse

Proglucagon is a protein that is cleaved from preproglucagon. Preproglucagon in humans is encoded by the GCG gene.[5][6]

Proglucagon is a precursor of glucagon, and several other components. It is generated in the alpha cells of the pancreas and in the intestinal L cells in the distal ileum and colon. It is also cleaved into the following components in different organs:

Proglucagon itself is a protein with three repeats of slightly different secretin family hormones to be cleaved to form mature hormones.[7]


  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000115263 - Ensembl, May 2017
  2. ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000000394 - Ensembl, May 2017
  3. ^ "Human PubMed Reference:".
  4. ^ "Mouse PubMed Reference:".
  5. ^ Schroeder WT, Lopez LC, Harper ME, Saunders GF (1984). "Localization of the human glucagon gene (GCG) to chromosome segment 2q36–37". Cytogenet. Cell Genet. 38 (1): 76–9. doi:10.1159/000132034. PMID 6546710.
  6. ^ White JW, Saunders GF (June 1986). "Structure of the human glucagon gene". Nucleic Acids Res. 14 (12): 4719–30. doi:10.1093/nar/14.12.4719. PMC 311486. PMID 3725587.
  7. ^ Pollock HG, Hamilton JW, Rouse JB, Ebner KE, Rawitch AB (July 1988). "Isolation of peptide hormones from the pancreas of the bullfrog (Rana catesbeiana). Amino acid sequences of pancreatic polypeptide, oxyntomodulin, and two glucagon-like peptides". The Journal of Biological Chemistry. 263 (20): 9746–51. PMID 3260236.

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