Biology:Grancalcin

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Short description: Protein-coding gene in the species Homo sapiens


A representation of the 3D structure of the protein myoglobin showing turquoise α-helices.
Generic protein structure example

Grancalcin is a protein that in humans is encoded by the GCA gene.[1][2][3][4]

This gene product, grancalcin, is a calcium-binding protein abundant in neutrophils and macrophages. It belongs to the penta-EF-hand subfamily of proteins which includes sorcin, calpain, and ALG-2. Grancalcin localization is dependent upon calcium and magnesium. In the absence of divalent cation, grancalcin localizes to the cytosolic fraction; with magnesium alone, it partitions with the granule fraction; and in the presence of magnesium and calcium, it associates with both the granule and membrane fractions, suggesting a role for grancalcin in granule-membrane fusion and degranulation.[4]

Interactions

GCA (gene) has been shown to interact with SRI.[3]

References

  1. "Molecular cloning and characterization of grancalcin, a novel EF-hand calcium-binding protein abundant in neutrophils and monocytes". J Biol Chem 267 (5): 2928–33. Mar 1992. doi:10.1016/S0021-9258(19)50675-5. PMID 1737748. 
  2. "Isolation and characterization of grancalcin, a novel 28 kDa EF-hand calcium-binding protein from human neutrophils". Biochem J. 286 ( Pt 2) (2): 549–54. Oct 1992. doi:10.1042/bj2860549. PMID 1530588. 
  3. 3.0 3.1 "The PEF family proteins sorcin and grancalcin interact in vivo and in vitro". FEBS Lett 545 (2–3): 151–4. Jun 2003. doi:10.1016/S0014-5793(03)00518-0. PMID 12804766. 
  4. 4.0 4.1 "Entrez Gene: GCA grancalcin, EF-hand calcium binding protein". https://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=25801. 

Further reading