Mouse anti-Human Progesterone Receptor (Ser294) Monoclonal Antibody | anti-PGR antibody

Anti-Phospho-Ser294 Progesterone Receptor

Cat. Num. AAA500012

• Gene Names: PGR; PR; NR3C3
• Reactivity: Human
• Applications: Dot Blot, Immunohistochemistry, Western Blot
• Synonyms: Progesterone Receptor (Ser294); Monoclonal Antibody; Anti-Phospho-Ser294 Progesterone Receptor; anti-PGR antibody

• Host: Mouse
• Reactivity: Human
• Clonality: Monoclonal
• Specificity: Specific for the ~90k PR-A isoform and the ~120k PR-B isoform of the Human Progesterone Receptor phosphorylated at Ser²⁹⁴. The labeling by the antibody was specifically blocked by the phosphopeptide used as antigen. The corresponding non-phospho-peptide did not block the immunolabeling.

• Applicable Applications for anti-PGR antibody: Dot Blot (DB), Immunohistochemistry (IHC), Western Blot (WB)
• Application Notes: DB: 1:1000; IHC: 1:1000; WB: 1:1000
• Quality Control Tests: Dot blots and Western blots performed with each lot.
• Packaging: 100 ul in 10 mM HEPES (pH 7.5), 150 mM NaCl, 100 ug per ml BSA and 50% glycerol. Adequate amount of material to conduct 10-mini Western Blots.
• Preparation and Storage: For long term storage -80°C is recommended, but shorter term storage at -20°C is also acceptable as aliquots may be taken without freeze/thawing due to the presence of 50% Glycerol. Stock solutions are stable for a minimum of 1 year at -20°C. Ships on blue ice.

Related Product Information for anti-PGR antibody

Affinity purified mouse monoclonal antibody

References

• Attia GR, Zeitoun K, Edwards D, Johns A, Carr BR, Bulun SE (2000) Progesterone receptor isoform A but not B is expressed in endometriosis. J Clin Endocrinol Metab 85:2897-2902.
• Clemm DL, Sherman L, Boonyaratanakornkit V, Schrader WT, Weigel NL, Edwards DP (2000) Differential hormone-dependent phosphorylation of progesterone receptor A and B forms revealed by a phosphoserine site-specific monoclonal antibody. Mol Endocrinol 14:52-65.
• Edwards DP (2005) Regulation of signal transduction pathways by estrogen and progesterone. Annu Rev Physiol 67:335-376.
• Lin VC, Woon CT, Aw SE, Guo C (2003) Distinct molecular pathways mediate progesterone-induced growth inhibition and focal adhesion. Endocrinology 144:5650-5657.

NCBI and Uniprot Product Information

• NCBI GI #: 110611914
• NCBI GeneID: 5241
• NCBI Accession #: NP_000917.3
• NCBI GenBank Nucleotide #: NM_000926.4
• UniProt Accession #: P06401; Q8TDS3; Q9UPF7; A7LQ08; A7X8B0; B4E3T0
• NCBI Official Full Name: progesterone receptor isoform B
• NCBI Official Synonym Full Names: progesterone receptor
• NCBI Official Symbol: PGR
• NCBI Official Synonym Symbols: PR; NR3C3
• NCBI Protein Information: progesterone receptor; nuclear receptor subfamily 3 group C member 3
• UniProt Protein Name: Progesterone receptor
• Protein Family: Protein
• UniProt Gene Name: PGR
• UniProt Synonym Gene Names: NR3C3; PR
• 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, Jan 2011]

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.12 Ref.20 Ref.21 Ref.23 Ref.24 Ref.25 Ref.26 Ref.27Isoform A:inactive in stimulating c-Src/MAPK signaling on hormone stimulation. Ref.12 Ref.20 Ref.21 Ref.23 Ref.24 Ref.25 Ref.26 Ref.27Isoform 4:Increases mitochondrial membrane potential and cellular respiration upon stimulation by progesterone. Ref.12 Ref.20 Ref.21 Ref.23 Ref.24 Ref.25 Ref.26 Ref.27

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.18 Ref.19 Ref.22 Ref.23 Ref.24 Ref.27

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.12 Ref.20 Ref.21 Ref.26Isoform A: Nucleus. Cytoplasm. Note: Mainly nuclear. Ref.12 Ref.20 Ref.21 Ref.26Isoform 4: Mitochondrion outer membrane Ref.12 Ref.20 Ref.21 Ref.26.

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.11 Ref.13 Ref.14 Ref.15 Ref.16 Ref.17 Ref.20 Ref.21 Ref.25 Ref.26 Ref.27Sumoylation 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.23 Ref.24 Ref.25Ubiquitination is hormone-dependent and represses sumoylation on the same site. Promoted by MAPK-mediated phosphorylation on Ser-294. Ref.23 Ref.24 Ref.25Palmitoylated by ZDHHC7 and ZDHHC21. Palmitoylation is required for plasma membrane targeting and for rapid intracellular signaling via ERK and AKT kinases and cAMP generation. Ref.28

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