ProSci

PJA1 Antibody

Product Code:
 
PSI-8069
Product Group:
 
Primary Antibodies
Supplier:
 
ProSci
Host Type:
 
Rabbit
Antibody Isotype:
 
IgG
Antibody Clonality:
 
Polyclonal
Regulatory Status:
 
RUO
Target Species:
  • Human
  • Mouse
  • Rat
Applications:
  • Enzyme-Linked Immunosorbent Assay (ELISA)
  • Immunofluorescence (IF)
  • Immunohistochemistry (IHC)
  • Western Blot (WB)
Storage:
 
PJA1 antibody can be stored at 4°C for three months and -20°C, stable for up to one year.
1 / 3
Western blot analysis of PJA1 in human brain tissue lysate with PJA1 antibody at (A) 0.25 and (B) 0.5 μg/ml.
2 / 3
Immunohistochemistry of PJA1 in mouse brain tissue with PJA1 antibody at 5 μg/ml.
3 / 3
Immunofluorescence of PJA1 in mouse brain tissue with PJA1 antibody at 20 μg/ml.
❮❯

Western blot analysis of PJA1 in human brain tissue lysate with PJA1 antibody at (A) 0.25 and (B) 0.5 μg/ml.
Immunohistochemistry of PJA1 in mouse brain tissue with PJA1 antibody at 5 μg/ml.
Immunofluorescence of PJA1 in mouse brain tissue with PJA1 antibody at 20 μg/ml.

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CodeSizePrice
PSI-8069-0.02mg0.02mg£150.00
Quantity:
PSI-8069-0.1mg0.1mg£449.00
Quantity:
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Further Information

Additional Names:
Praja ring finger 1, E3 ubiquitin-protein ligase Praja-1, PRAJA1, RING finger protein 70, RNF70
Application Note:
PJA1 antibody can be used for detection of PJA1 by Western blot at 0.25 ? 0.5 μg/ml. Antibody can also be used for immunohistochemistry starting at 5 μg/mL. For immunofluorescence start at 20 μg/mL.

Antibody validated: Western Blot in human samples; Immunohistochemistry in mouse samples and Immunofluorescence in mouse samples. All other applications and species not yet tested.
Background:
Ubiquitinization is an important cellular degradation process requiring sequential reactions that are mediated by three enzymes: E1, E2 and E3. PJA1, also known as Praja1 and RING finger protein 70, is a 643 amino acid E2-dependent E3-ubiquitin ligase that is abundantly expressed in the brain (1,2). Through interaction and activation with the E2-ubiquitin ligase UBC4, PJA1 mediates substrate-specific ubiquitination via its RING finger domain and facilitates ubiquitination (3). Overexpression of PJA1 in gastrointestinal cancers suggests that it may be responsible for the degradation of some anti-oncogenic proteins (4,5).
Background References:
  • Yu P, Chen Y, Tagle DA, et al. PJA1, encoding a RING-H2 finger ubiquitin ligase, is a novel human X chromosome gene abundantly expressed in brain. Genomics 2002; 79:869-74.
  • Zoabi M, Sadeh R, de Bie P, et al. PRAJA1 is a ubiquitin ligase for the polycomb repressive complex 2 proteins. Biochem. Biophys. Res. Commun. 2011; 408:393-8.
  • Doyle JM, Gao J, Wang J, et al. MAGE-RING protein complexes comprise a family of E3 ubiquitin ligases. Mol. Cell 2010; 39:963-74.
  • Saha T, Vardhini D, Tang Y, et al. RING finger-dependent ubiquitination by PRAJA is dependent on TGF-beta and potentially defines the functional status of the tumor suppressor ELF. Oncogene 2006; 25:693-705.
Buffer:
PJA1 antibody is supplied in PBS containing 0.02% sodium azide.
Concentration:
1 mg/mL
Conjugate:
Unconjugated
DISCLAIMER:
Optimal dilutions/concentrations should be determined by the end user. The information provided is a guideline for product use. This product is for research use only.
Immunogen:
PJA1 antibody was raised against a 19 amino acid peptide near the amino terminus of human PJA1.

The immunogen is located within amino acids 50 - 100 of PJA1.
NCBI Gene ID #:
64219
NCBI Official Name:
praja ring finger 1, E3 ubiquitin protein ligase
NCBI Official Symbol:
PJA1
NCBI Organism:
homo sapiens
Physical State:
Liquid
PREDICTED MOLECULAR WEIGHT:
Predicted: 71 kDa

Observed: 71 kDa
Protein Accession #:
NP_660095
Protein GI Number:
41281725
Purification:
PJA1 antibody is affinity chromatography purified via peptide column.
Research Area:
Cancer,Homeostasis
SPECIFICITY:
PJA1 antibody is human, mouse and rat reactive. At least two isoforms of PJA1 are known to exist; this antibody will detect both isoforms.
Swissprot #:
Q8NG27
User NOte:
Optimal dilutions for each application to be determined by the researcher.