p53 Polyclonal Antibody (E-AB-65674)
For research use only.
| Verified Samples |
Verified Samples in WB: MCF-7, U-251MG Verified Samples in IHC: Human colon carcinoma, Hela, U-2OS Verified Samples in IF: A549 |
| Dilution | WB 1:500-1:2000, IHC 1:50-1:200, IF 1:50-1:200 |
| Isotype | Rabbit IgG |
| Host | Rabbit |
| Reactivity | Human, Rat |
| Applications | WB, IHC, IF |
| Clonality | Polyclonal |
| Immunogen | Recombinant fusion protein of human p53 (NP_000537.3) |
| Abbre | p53 |
| Synonyms | BCC7, BMFS5, BMFS5抗体, LFS1, P53, TP53, TRP53 |
| Swissprot | |
| Calculated MW | 23-43 kDa |
| Observed MW |
53 kDa
The actual band is not consistent with the expectation.
Western blotting is a method for detecting a certain protein in a complex sample based on the specific binding of antigen and antibody. Different proteins can be divided into bands based on different mobility rates. The mobility is affected by many factors, which may cause the observed band size to be inconsistent with the expected size. The common factors include: 1. Post-translational modifications: For example, modifications such as glycosylation, phosphorylation, methylation, and acetylation will increase the molecular weight of the protein. 2. Splicing variants: Different expression patterns of various mRNA splicing bodies may produce proteins of different sizes. 3. Post-translational cleavage: Many proteins are first synthesized into precursor proteins and then cleaved to form active forms, such as COL1A1. 4. Relative charge: the composition of amino acids (the proportion of charged amino acids and uncharged amino acids). 5. Formation of multimers: For example, in protein dimer, strong interactions between proteins can cause the bands to be larger. However, the use of reducing conditions can usually avoid the formation of multimers. If a protein in a sample has different modified forms at the same time, multiple bands may be detected on the membrane. |
| Cellular Localization | Cytoplasm, Nucleus, Nucleus > pml body, Endoplasmic reticulum, In some cells |
| Tissue Specificity | Ubiquitous. Isoforms are expressed in a wide range of normal tissues but in a tissue-dependent manner. Isoform 2 is expressed in most normal tissues but is not detected in brain, lung, prostate, muscle, fetal brain, spinal cord and fetal liver. Isoform 3 is expressed in most normal tissues but is not detected in lung, spleen, testis, fetal brain, spinal cord and fetal liver. Isoform 7 is expressed in most normal tissues but is not detected in prostate, uterus, skeletal muscle and breast. Isoform 8 is detected only in colon, bone marrow, testis, fetal brain and intestine. Isoform 9 is expressed in most normal tissues but is not detected in brain, heart, lung, fetal liver, salivary gland, breast or intestine. |
| Concentration | 1 mg/mL |
| Buffer | Phosphate buffered solution, pH 7.4, containing 0.05% stabilizer and 50% glycerol. |
| Purification Method | Affinity purification |
| Research Areas | Cancer, Cell Biology, Epigenetics and Nuclear Signaling |
| Conjugation | Unconjugated |
| Storage | Store at -20℃ Valid for 12 months. Avoid freeze/thaw cycles. |
| Shipping | The product is shipped with ice pack,upon receipt,store it immediately at the temperature recommended. |
| background | This gene encodes a tumor suppressor protein containing transcriptional activation, DNA binding, and oligomerization domains. The encoded protein responds to diverse cellular stresses to regulate expression of target genes, thereby inducing cell cycle arrest, apoptosis, senescence, DNA repair, or changes in metabolism. Mutations in this gene are associated with a variety of human cancers, including hereditary cancers such as Li-Fraumeni syndrome. Alternative splicing of this gene and the use of alternate promoters result in multiple transcript variants and isoforms. Additional isoforms have also been shown to result from the use of alternate translation initiation codons from identical transcript variants (PMIDs: 12032546, 20937277). |
Note: Data for this module come from published literature that cites this product, displaying other products used together in the same research paper.
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