ORAI3 (ORAI Calcium Release-Activated Calcium Modulator 3) is a Protein Coding gene. Among its related pathways are Calcium signaling pathway. Gene Ontology (GO) annotations related to this gene include store-operated calcium channel activity. An important paralog of this gene is ORAI2.
Background References
1. Srikanth S et al. A novel EF-hand protein, CRACR2A, is a cytosolic Ca2+ sensor that stabilizes CRAC channels in T cells. Nat Cell Biol 12:436-446 (2010).
Sequence Similarity
Belongs to the Orai family.
Tissue Specificity
Expressed in both naive and effector T helper cells with higher levels in effector cells.
ICC staining Orai3 in A549 cells (green). The nuclear counter stain is DAPI (blue). Cells were fixed in paraformaldehyde, permeabilised with 0.25% Triton X100/PBS.
ICC staining Orai3 in MG-63 cells (green). The nuclear counter stain is DAPI (blue). Cells were fixed in paraformaldehyde, permeabilised with 0.25% Triton X100/PBS.
ICC staining Orai3 in SH-SY-5Y cells (green). The nuclear counter stain is DAPI (blue). Cells were fixed in paraformaldehyde, permeabilised with 0.25% Triton X100/PBS.
Immunohistochemical analysis of paraffin-embedded rat brain tissue using anti-Orai3 antibody. Counter stained with hematoxylin.
Immunohistochemical analysis of paraffin-embedded human liver cancer tissue using anti-Orai3 antibody. Counter stained with hematoxylin.
Immunohistochemical analysis of paraffin-embedded mouse testis tissue using anti-Orai3 antibody. Counter stained with hematoxylin.
Immunohistochemical analysis of paraffin-embedded human kidney tissue using anti-Orai3 antibody. Counter stained with hematoxylin.
Immunohistochemical analysis of paraffin-embedded human placenta tissue using anti-Orai3 antibody. Counter stained with hematoxylin.
Western blot analysis of Orai3 on different lysates with Rabbit anti-Orai3 antibody (ER1803-12) at 1/500 dilution.
Lane 1: MG-63 (Human cervical adenocarcinoma cell) cell lysate Lane 2: SH-SY5Y (Human neuroblastoma cells) cell lysate Lane 3: MCF7 (Human breast cancer cells) cell lysate Lane 4: NIH/3T3 (Mouse fibroblast cells) cell lysate Lane 5: Mouse testis tissue lysate Lane 6: Rat testis tissue lysate
Lysates/proteins at cell:20ug/lane,tissue:40ug/lane. Exposure time: 15 seconds; ECL: K1801
Blocking: 5% NFDM/TBST, 1 hour at room temperature Primary antibody: ER1803-12, 1/500 in primary antibody dilution buffer (K1803), overnight at 4 ℃ Secondary antibody: Goat anti-Rabbit IgG-HRP (HA1001), 1/50,000 in 5% NFDM/TBST, 1 hour at room temperature
Predicted band size: 31 kDa Observed band size: 40 kDa
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