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Testing Data

Rabbit Progesterone Receptor Antibody | anti-PGR antibody

Rabbit anti Progesterone Receptor antibody

Gene Names
PGR; PR; NR3C3
Reactivity
Human, Mouse, Rat, Bovine, Hamster
Applications
ELISA, Western Blot, Immunohistochemistry
Purity
The Rabbit IgG is purified by Epitope Affinity Purification.
Synonyms
Progesterone Receptor; Rabbit anti Progesterone Receptor antibody; Rabbit anti-PR; anti-PGR antibody
Ordering
For Research Use Only!
Host
Rabbit
Reactivity
Human, Mouse, Rat, Bovine, Hamster
Specificity
This antibody recognizes ~116 kDa of human PR protein. The other species are not tested
Purity/Purification
The Rabbit IgG is purified by Epitope Affinity Purification.
Form/Format
This affinity purified antibody is supplied in sterile Phosphate-buffered saline (pH7.2) containing antibody stabilizer
Concentration
Size: 100 ug/200 ul (varies by lot)
Applicable Applications for anti-PGR antibody
ELISA, Western Blot, Immunohistochemistry
Application Notes
Western Blot: 0.1-1 ug/ml
ELISA: 0.01-0.1 ug/ml
Immunoprecipitation: 2-5 ug/ml
Immunohistochemistry: 1-2 ug/ml
Antigen Preparation
A synthetic peptide corresponding to C-terminus of human Progesterone receptor.
Positive Control
Breast Cancer Tissue or MCF-7 cell
Cellular Location
Nuclear
Preparation and Storage
The antibodies are stable for 12 months from date of receipt when stored at -20 degree C to -70 degree C. Avoid repeated freezing-thawing cycles.

Testing Data

Testing Data
Related Product Information for anti-PGR antibody
The progesterone receptor (PR) is a member of the steroid receptor superfamily. PR expression indicates a responsive estrogen receptor (ER) pathway, and therefore, may predict likely response to endocrine therapy in human breast cancer. In humans, the progesterone receptor (PR) gene gives rise to multiple isoforms. The "B" (PR-B, 116kDa, 933aa) contains a proline-rich N-term (aa 1 - 566), a central DNA-binding domain (DBD) (aa 567 - 636), a nuclear localization motif (aa 637 - 644), and a hormone binding/dimerization domain (HBD) (aa 645 - 933). PR-A (94 kDa, 769aa) utilizes a different start site that shortens the N-terminus by 164 amino acids. The N-terminus in both is rich in serine that is phosphorylated in response to hormone binding. In the absence of hormone, a few PR-A and -B molecules are phosphorylated at Serine 190 (S190). Hormone increases this number two-fold, providing evidence for hormone stimulation. The common Serine at 294 can only be phosphorylated on PR-B, due to a difference in N-terminal conformation. This may account for functional differences between the molecules. Alternate start sites also generate two shorter forms that lack the N-terminus: PR-C (60 kDa, 339 aa), PR-M (38 kDa, 314aa). PR-A, -B and -C are known to heterodimerize. Alternate splicing of PR-A generates at least four other isoforms. All contain aa 1 - 516 (with the N-terminus), and are either truncated or show a partial deletion of the HBD.
References
Zheng ZY, Lin VC. Anti-estrogenic effect of unliganded progesterone receptor is estrogen-selective in breast cancer cells MCF-7. Cancer Lett. 2008 May 12 (in press)

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
UniProt Accession #
Molecular Weight
116 kDa
NCBI Official Full Name
progesterone receptor
NCBI Official Synonym Full Names
progesterone receptor
NCBI Official Symbol
PGR
NCBI Official Synonym Symbols
PR; NR3C3
NCBI Protein Information
progesterone receptor; OTTHUMP00000236114; OTTHUMP00000236115; OTTHUMP00000236117; OTTHUMP00000236119; nuclear receptor subfamily 3 group C member 3
UniProt Protein Name
Progesterone receptor
Protein Family
UniProt Gene Name
PGR
UniProt Synonym Gene Names
NR3C3
UniProt Entry Name
PRGR_HUMAN

NCBI Description

This gene encodes a member of the steroid receptor superfamily. The encoded protein mediates the physiological effects of progesterone, which plays a central role in reproductive events associated with the establishment and maintenance of pregnancy. This gene uses two distinct promotors and translation start sites in the first exon to produce two isoforms, A and B. The two isoforms are identical except for the additional 165 amino acids found in the N-terminus of isoform B and mediate their own response genes and physiologic effects with little overlap. [provided by RefSeq]

Uniprot Description

Function: The steroid hormones and their receptors are involved in the regulation of eukaryotic gene expression and affect cellular proliferation and differentiation in target tissues. Progesterone receptor isoform B (PRB) is involved activation of c-SRC/MAPK signaling on hormone stimulation. Ref.16 Ref.17 Ref.19 Ref.20 Ref.21 Ref.22 Ref.24Isoform A is inactive in stimulating c-Src/MAPK signaling on hormone stimulation. Ref.16 Ref.17 Ref.19 Ref.20 Ref.21 Ref.22 Ref.24

Subunit structure: Interacts with SMARD1 and UNC45A. Interacts with CUEDC2; the interaction promotes ubiquitination, decreases sumoylation, and repesses transcriptional activity. Interacts with PIAS3; the interaction promotes sumoylation of PR in a hormone-dependent manner, inhibits DNA-binding, and alters nuclear export. Interacts with SP1; the interaction requires ligand-induced phosphorylation on Ser-345 by ERK1/2 MAPK. Interacts with PRMT2. Ref.14 Ref.15 Ref.18 Ref.19 Ref.20 Ref.24

Subcellular location: Nucleus. Cytoplasm. Note: Nucleoplasmic shuttling is both homone- and cell cycle-dependent. On hormone stimulation, retained in the cytoplasm in the G1 and G2/M phases. Ref.16 Ref.17 Ref.22Isoform A: Nucleus. Cytoplasm. Note: Mainly nuclear. Ref.16 Ref.17 Ref.22

Domain: Composed of three domains: a modulating N-terminal domain, a DNA-binding domain and a C-terminal ligand-binding domain.

Post-translational modification: Phosphorylated on multiple serine sites. Several of these sites are hormone-dependent. Phosphorylation on Ser-294 occurs preferentially on isoform B, is highly hormone-dependent and modulates ubiquitination and sumoylation on Lys-388. Phosphorylation on Ser-102 and Ser-345 also requires induction by hormone. Basal phosphorylation on Ser-81, Ser-162, Ser-190 and Ser-400 is increased in response to progesterone and can be phosphorylated in vitro by the CDK2-A1 complex. Increased levels of phosphorylation on Ser-400 also in the presence of EGF, heregulin, IGF, PMA and FBS. Phosphorylation at this site by CDK2 is ligand-independent, and increases nuclear translocation and transcriptional activity. Phosphorylation at Ser-162 and Ser-294, but not at Ser-190, is impaired during the G2/M phase of the cell cycle. Phosphorylation on Ser-345 by ERK1/2 MAPK is required for interaction with SP1. Ref.8 Ref.9 Ref.10 Ref.11 Ref.12 Ref.13 Ref.16 Ref.17 Ref.21 Ref.22 Ref.23 Ref.24Sumoylation is hormone-dependent and represses transcriptional activity. Sumoylation on all three sites is enhanced by PIAS3. Desumoylated by SENP1. Sumoylation on Lys-388, the main site of sumoylation, is repressed by ubiquitination on the same site, and modulated by phosphorylation at Ser-294. Ref.19 Ref.20 Ref.21Ubiquitination is hormone-dependent and represses sumoylation on the same site. Promoted by MAPK-mediated phosphorylation on Ser-294.

Sequence similarities: Belongs to the nuclear hormone receptor family. NR3 subfamily.Contains 1 nuclear receptor DNA-binding domain.

Research Articles on PGR

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Product Notes

The PGR pgr (Catalog #AAA462117) is an Antibody produced from Rabbit and is intended for research purposes only. The product is available for immediate purchase. The Rabbit anti Progesterone Receptor antibody reacts with Human, Mouse, Rat, Bovine, Hamster and may cross-react with other species as described in the data sheet. AAA Biotech's Progesterone Receptor can be used in a range of immunoassay formats including, but not limited to, ELISA, Western Blot, Immunohistochemistry. Western Blot: 0.1-1 ug/ml ELISA: 0.01-0.1 ug/ml Immunoprecipitation: 2-5 ug/ml Immunohistochemistry: 1-2 ug/ml. Researchers should empirically determine the suitability of the PGR pgr for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. It is sometimes possible for the material contained within the vial of "Progesterone Receptor, Antibody" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

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