GPER/GPR30 Antibody [Unconjugated]

Western blot shows lysates of human brain cortex tissue. PVDF membrane was probed with 1 µg/mL of Goat Anti-Human GPER Antigen Affinity-purified Polyclonal Antibody (Catalog # AF5534) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF019). A specific band was detected for GPER at approximately 54 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 8.

GPER was detected in immersion fixed paraffin-embedded sections of human brain (hypothalamus) using Goat Anti-Human GPER Antigen Affinity-purified Polyclonal Antibody (Catalog # AF5534) at 10 µg/mL overnight at 4 °C. Tissue was stained using the Anti-Goat HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS008) and counterstained with hematoxylin (blue). Specific staining was localized to neuronal cell bodies. View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.

HEK293 human embryonic kidney cell line transfected with (A) human GPER/GRP30 or (B) irrelevant transfectants, and eGFP was stained with Goat Anti-Human GPER/GPR30 Affinity-Purified Polyclonal Antibody (Catalog # AF5534) followed by Allophycocyanin-conjugated Anti-Goat IgG Secondary Antibody (Catalog # F0108). Quadrants were set based on Goat IgG Flow Cytometry Isotype Control (Catalog # AB-108-C, data not shown). View our protocol for Staining Membrane-associated Proteins.

• Reactivity: Hu
• Applications: WB, Flow, IHC
• Clonality: Polyclonal
• Host: Goat
• Conjugate: Unconjugated
• Concentration: LYOPH

GPER/GPR30 Antibody [Unconjugated] Summary

• Immunogen: E. coli-derived recombinant human GPER
  Met1-Ser62
  Accession # Q99527
• Specificity: Detects human GPER in direct ELISAs and Western blots. In direct ELISAs, less than 1% cross-reactivity with recombinant human GPR144, GPR115, and GPR124 is observed.
• Source: N/A
• Isotype: IgG
• Clonality: Polyclonal
• Host: Goat
• Gene: GPER
• Purity Statement: Antigen Affinity-purified

Applications/Dilutions

• Dilutions:
  • Western Blot 1 ug/mL
  • Flow Cytometry 0.25 ug/10^6 cells
  • Immunohistochemistry 5-15 ug/mL

Packaging, Storage & Formulations

• 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.
• Buffer: 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.
• Preservative: No Preservative
• Concentration: LYOPH
• Reconstitution Instructions: Reconstitute at 0.2 mg/mL in sterile PBS.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for GPER/GPR30 Antibody [Unconjugated]

• CEPR
• CEPRG-protein coupled receptor 30
• Chemoattractant receptor-like 2
• chemokine receptor-like 2
• CMKRL2
• CMKRL2MGC99678
• constitutively expressed peptide-like receptor
• DRY12
• DRY12IL8-related receptor DRY12
• FEG-1
• FEG-1mER
• Flow-induced endothelial G-protein coupled receptor 1
• G protein-coupled estrogen receptor 1
• G protein-coupled receptor 30
• GPCR-BR
• GPER
• GPR30
• GPR30GPCR-Br
• G-protein coupled estrogen receptor 1
• heptahelix receptor
• LERGU
• LERGU2
• leucine rich protein in GPR30 3'UTR
• LyGPR
• Lymphocyte-derived G-protein coupled receptor
• Membrane estrogen receptor

Background

GPER (G-Protein Coupled Estrogen Receptor 1; also GPR30, DRY12 and mER) is a 44 kDa, seven transmembrane (TM) member of the GPR-1 family of molecules. It is ubiquitously expressed, appearing on/in neurons, monocytes and endothelial cells. Its exact location is unclear; it has been described in both the cell membrane and ER, but not by all investigators. Human GPER is 375 amino acids (aa) in length. It contains an N-terminal extracellular region (aa 1‑62), a series of seven TM domains (aa 63‑327), and a C-terminal cytoplasmic tail (aa 328‑375). The initial function attributed to GPER was that of a membrane receptor for estrogen. This is in dispute. There are two potential splice variants for GPER. One shows a deletion of aa 32-49, while a second shows a 99 aa substitution for aa 308‑375. Over aa 1‑62, human GPER shares 57% aa identity with mouse GPER.

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

Publications for GPER/GPR30 Antibody (AF5534)(2)

Publications using AF5534

• J Tutzauer, M Sjöström, PO Bendahl, L Rydén, M Fernö, LMF Leeb-Lundb, S Alkner Plasma membrane expression of G protein-coupled estrogen receptor (GPER)/G protein-coupled receptor 30 (GPR30) is associated with worse outcome in metachronous contralateral breast cancer PLoS ONE, 2020;15(4):e0231786. 2020 [PMID: 32302351] (Human)
• Broselid S, Berg K, Chavera T, Kahn R, Clarke W, Olde B, Leeb-Lundberg L G protein-coupled receptor 30 (GPR30) forms a plasma membrane complex with membrane-associated guanylate kinases (MAGUKs) and protein kinase A-anchoring protein 5 (AKAP5) that constitutively inhibits cAMP production. J Biol Chem, 2014;289(32):22117-27. 2014 [PMID: 24962572] (IHC-Fr, Human)

Bioinformatics

• Gene Symbol: GPER
• Uniprot:
  • Q99527()