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Protein GCA PDB 1f4o.png
Available structures
PDB Ortholog search: PDBe RCSB
Aliases GCA, GCL, grancalcin
External IDs MGI: 1918521 HomoloGene: 22702 GeneCards: GCA
Gene location (Human)
Chromosome 2 (human)
Chr. Chromosome 2 (human)[1]
Chromosome 2 (human)
Genomic location for GCA
Genomic location for GCA
Band 2q24.2 Start 162,318,840 bp[1]
End 162,371,595 bp[1]
RNA expression pattern
PBB GE GCA 203765 at fs.png
More reference expression data
Species Human Mouse
RefSeq (mRNA)


RefSeq (protein)


Location (UCSC) Chr 2: 162.32 – 162.37 Mb Chr 2: 62.66 – 62.69 Mb
PubMed search [3] [4]
View/Edit Human View/Edit Mouse

Grancalcin is a protein that in humans is encoded by the GCA gene.[5][6][7][8]

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.[8]


GCA (gene) has been shown to interact with SRI.[7]


  1. ^ a b c GRCh38: Ensembl release 89: ENSG00000115271 - Ensembl, May 2017
  2. ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000026893 - Ensembl, May 2017
  3. ^ "Human PubMed Reference:". 
  4. ^ "Mouse PubMed Reference:". 
  5. ^ Boyhan A, Casimir CM, French JK, Teahan CG, Segal AW (Mar 1992). "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. PMID 1737748. 
  6. ^ Teahan CG, Totty NF, Segal AW (Oct 1992). "Isolation and characterization of grancalcin, a novel 28 kDa EF-hand calcium-binding protein from human neutrophils". Biochem J. 286. ( Pt 2): 549–54. PMC 1132932Freely accessible. PMID 1530588. 
  7. ^ a b Hansen C, Tarabykina S, la Cour JM, Lollike K, Berchtold MW (Jun 2003). "The PEF family proteins sorcin and grancalcin interact in vivo and in vitro". FEBS Lett. 545 (2-3): 151–4. doi:10.1016/S0014-5793(03)00518-0. PMID 12804766. 
  8. ^ a b "Entrez Gene: GCA grancalcin, EF-hand calcium binding protein". 

Further reading[edit]