Recombinant QKI Monoclonal Antibody (AN301863L)
For research use only.
| Verified Samples |
Verified Samples in WB: HeLa, Neuro-2a, K562, PC-12 Verified Samples in IF: Neuro-2a |
| Dilution | WB 1:500-1:3000, IF 1:50 |
| Isotype | IgG, κ |
| Host | Rabbit |
| Reactivity | Human, Rat, Mouse |
| Applications | WB, IF |
| Clonality | Monoclonal;Recombinant |
| Immunogen | Recombinant human QKI fragment |
| Abbre | QKI |
| Synonyms | QKI, Hqk, QK, QK1, QK3, hqkI, HKQ |
| Swissprot | |
| Calculated MW | 38 kDa |
| Observed MW |
38 kDa
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 | Nucleus |
| Concentration | 1 mg/mL |
| Buffer | PBS, 50% glycerol, 0.05% Proclin 300, 0.05% protein protectant. |
| Purification Method | Protein A purified |
| Research Areas | Neuroscience, Epigenetics and Nuclear Signaling |
| Clone No. | A575 |
| Conjugation | Unconjugated |
| Storage | Store at -20°C Valid for 12 months. Avoid freeze / thaw cycles. |
| Shipping | Ice bag |
| background | QKI is a member of the signal transduction and activator of RNA (STAR) protein family of RNA-binding proteins. Mutations in the mouse Qki locus results in impaired myelin formation resulting in tremors. QKI proteins exist as homodimers, and disruption of the dimerization process is lethal in mice. QKI exists in different isoforms that differ in their C-terminus, resulting in unique subcellular localizations. The nuclear isoform of QKI, QKI-5, is involved in regulation of alternative splicing of MAG mRNA, which encodes for a protein important for myelin sheath formation and maintenance. QKI has also been implicated in schizophrenia and oligodendrocyte differentiation. QKI can function as a tumor suppressor, as it is regulated by p53 to stabilize miRNAs that regulate TGF-β signaling. |
Other Clones
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Other Formats
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Unconjugated
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