GCG Gene Summary

The protein encoded by this gene is actually a preproprotein that is cleaved into four distinct mature peptides. One of these, glucagon, is a pancreatic hormone that counteracts the glucose-lowering action of insulin by stimulating glycogenolysis and gluconeogenesis. Glucagon is a ligand for a specific G-protein linked receptor whose signalling pathway controls cell proliferation. Two of the other peptides are secreted from gut endocrine cells and promote nutrient absorption through distinct mechanisms. Finally, the fourth peptide is similar to glicentin, an active enteroglucagon. [provided by RefSeq, Jul 2008]

Details

Type
Protein Coding
Official Symbol
GCG
Official Name
glucagon [Source:HGNC Symbol;Acc:HGNC:4191]
Ensembl ID
ENSG00000115263
Bio databases IDs NCBI: 2641 Ensembl: ENSG00000115263
Aliases glucagon, glicentin-related polypeptide, glucagon-like peptide 1, glucagon-like peptide 2, preproglucagon
Synonyms
Glp2,Glu,glucagon,GRPP,PPG,Preproglucagon,Proglucagon
Species
Human, Homo sapiens

Protein Domains

A protein domain is a distinct structural or functional region within a protein that can evolve, function, and exist independently of the rest of the protein chain. These domains often fold into stable, three-dimensional structures and are associated with specific biological functions, such as binding to DNA, other proteins, or small molecules.
  • Peptide hormone
  • G-protein-coupled receptor binding
  • hormone
  • receptor agonist activity
  • protein binding
  • receptor binding
  • identical protein binding

Pathways

Biological processes and signaling networks where the GCG gene plays a role, providing insight into its function and relevance in health or disease.

Top Findings

The most significant associations for this gene, including commonly observed domains, pathway involvement, and functional highlights based on current data.
disease
  • endometrial cancer
  • non-insulin-dependent diabetes mellitus
  • diabetes mellitus
  • bronchial neuroendocrine tumor
  • acromegaly
  • well-differentiated pancreatic neuroendocrine tumor
  • pheochromocytoma
  • VIPoma
  • polycystic liver disease
  • nausea and vomiting
regulated by
role in cell
  • apoptosis
  • mobilization in
  • expression in
  • survival
  • cell death
  • proliferation
  • growth
  • production in
  • phosphorylation in
  • activation in

Subcellular Expression

Locations within the cell where the protein is known or predicted to be active, providing insight into its function and cellular context.
  • Plasma Membrane
  • plasma membrane fraction
  • membrane fraction
  • secretory granule lumen
  • Cytoplasm
  • cell surface
  • Extracellular Space
  • cell periphery
  • cellular membrane
  • Nucleus
  • vesicles
  • granules
  • endoplasmic reticulum lumen
  • secretory granules
  • plasma

Gene Ontology Annotations

Describes the biological processes, cellular components, and molecular functions associated with the GCG gene, providing context for its role in the cell.

biological PROCESS

Functions and activities the gene product is involved in
  • gluconeogenesis
  • G-protein coupled receptor signaling pathway
  • feeding behavior
  • adenylate cyclase-modulating G-protein coupled receptor signaling pathway
  • adenylate cyclase-activating G-protein coupled receptor signaling pathway
  • positive regulation of gluconeogenesis
  • positive regulation of calcium ion import
  • negative regulation of execution phase of apoptosis
  • regulation of insulin secretion
  • cellular response to glucagon stimulus
  • negative regulation of apoptotic process
  • protein kinase A signaling cascade
  • glucose homeostasis
  • positive regulation of ERK1 and ERK2 cascade
  • positive regulation of peptidyl-threonine phosphorylation
  • response to activity
  • positive regulation of insulin secretion involved in cellular response to glucose stimulus
  • positive regulation of peptidyl-serine phosphorylation

cellular COMPONENT

Where in the cell the gene product is active
  • endoplasmic reticulum lumen
  • extracellular space
  • secretory granule lumen
  • extracellular region
  • plasma membrane

molecular FUNCTION

What the gene product does at the molecular level
  • glucagon receptor binding
  • identical protein binding
  • protein binding
  • receptor binding
  • hormone activity

Gene-Specific Assays for Results You Can Trust

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