Human Sigma-1 R Antibody

Recombinant Monoclonal Antibody
Catalog # Availability Size / Price Qty
Human Sigma-1 R Antibody in Immunocytochemistry
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Product Details
Supplemental Products

Human Sigma-1 R Antibody Summary

Species Reactivity
Detects human Sigma-1 R in direct ELISAs.
Recombinant Monoclonal Rabbit IgG Clone # 1319A
Protein A or G purified from cell culture supernatant
Synthetic peptide containing human Sigma-1 R
Accession # Q99720
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.


Recommended Concentration
3-25 µg/mL
See below

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Data Example

Immunocytochemistry Sigma-1 R in HeLa Human Cell Line. View Larger

Sigma-1 R in HeLa Human Cell Line. Sigma-1 R was detected in immersion fixed HeLa human cervical epithelial carcinoma cell line using Rabbit Anti-Human Sigma-1 R Monoclonal Antibody (Catalog # MAB1076) at 3 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Rabbit IgG Secondary Antibody (red; Catalog # NL004) and counterstained with DAPI (blue). Specific staining was localized to cytoplasm. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Preparation and Storage

Reconstitute at 0.5 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Size / Price
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: Sigma-1 R

Sigma non-opioid intracellular receptor 1 (SIGMAR1, OPRS1 or Sigma1 receptor) is a 223 aminoacids (aa), 25KDa chaperone protein at the endoplasmic reticulum (ER) that modulates calcium signaling through the IP3 receptor. Sigmar1 functions as a lipid transporter and is involved in a wide array of cellular functions probably through regulation of the biogenesis of lipid microdomains at the plasma membrane. In Human, at least 4 other isoforms have been found, ranging from 12-22 KDa.

Long Name
Sigma Non-opioid Intracellular Receptor 1
Entrez Gene IDs
10280 (Human); 18391 (Mouse); 29336 (Rat)
Alternate Names
Aging-associated gene 8 protein; ALS16; FLJ25585; hSigmaR1; OPRS1; SIG-1R; sigma 1; Sigma 1-type opioid receptor; sigma non-opioid intracellular receptor 1; Sigma-1 R; sigma1 receptor; Sigma1R; Sigma-1R; sigma1-receptor; SIGMAR1; SR31747 binding protein 1; SR31747-binding protein; SRBP; SR-BP; SR-BP1; SRBPMGC3851; type I sigma receptor

Product Datasheets


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Cell and Tissue Staining Kits

Isotype Controls

Normal Rabbit IgG Control


Reconstitution Buffers

Secondary Antibodies

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