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Anti-SP3 Picoband Antibody
- SPECIFICATION
- CITATIONS
- PROTOCOLS
- BACKGROUND
Application 
| WB, IHC-P |
|---|---|
| Primary Accession | Q02447 |
| Host | Rabbit |
| Reactivity | Human, Mouse, Rat |
| Clonality | Polyclonal |
| Format | Lyophilized |
| Description | Rabbit IgG polyclonal antibody for Transcription factor Sp3(SP3) detection. Tested with WB, IHC-P in Human;Mouse;Rat. |
| Reconstitution | Add 0.2ml of distilled water will yield a concentration of 500ug/ml. |
| Gene ID | 6670 |
|---|---|
| Other Names | Transcription factor Sp3, SPR-2, SP3 |
| Calculated MW | 81925 MW KDa |
| Application Details | Immunohistochemistry(Paraffin-embedded Section), 0.5-1 µg/ml, Human, Mouse, Rat, By Heat Western blot, 0.1-0.5 µg/ml, Human, Mouse, Rat |
| Subcellular Localization | Nucleus. Nucleus, PML body. Localizes to the nuclear periphery and in nuclear dots when sumoylated. Some localization in PML nuclear bodies. |
| Tissue Specificity | Ubiquitously expressed. |
| Protein Name | Transcription factor Sp3 |
| Contents | Each vial contains 5mg BSA, 0.9mg NaCl, 0.2mg Na2HPO4, 0.05mg NaN3. |
| Immunogen | A synthetic peptide corresponding to a sequence at the C-terminus of human SP3 (569-599aa NTNDLTHLRVQVVDEEGDQQHQEGKRLRRVA), identical to the related mouse sequence. |
| Purification | Immunogen affinity purified. |
| Cross Reactivity | No cross reactivity with other proteins |
| Storage | At -20˚C for one year. After r˚Constitution, at 4˚C for one month. It˚Can also be aliquotted and stored frozen at -20˚C for a longer time.Avoid repeated freezing and thawing. |
| Sequence Similarities | Belongs to the Sp1 C2H2-type zinc-finger protein family. |
| Name | SP3 |
|---|---|
| Function | Transcriptional factor that can act as an activator or repressor depending on isoform and/or post-translational modifications. Binds to GT and GC boxes promoter elements. Competes with SP1 for the GC-box promoters. Weak activator of transcription but can activate a number of genes involved in different processes such as cell-cycle regulation, hormone-induction and house-keeping. |
| Cellular Location | Nucleus. Nucleus, PML body. Note=Localizes to the nuclear periphery and in nuclear dots when sumoylated. Some localization in PML nuclear bodies |
| Tissue Location | Ubiquitously expressed. |
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Provided below are standard protocols that you may find useful for product applications.
Background
Sp3 transcription factor, also known as SP3, refers to both a protein and the gene it is encoded by. This gene belongs to a family of Sp1 related genes that encode transcription factors that regulate transcription by binding to consensus GC- and GT-box regulatory elements in target genes. And this protein contains a zinc finger DNA-binding domain and several transactivation domains, and has been reported to function as a bifunctional transcription factor that either stimulates or represses the transcription of numerous genes. Transcript variants encoding different isoforms have been described for this gene, and one has been reported to initiate translation from a non-AUG (AUA) start codon. Additional isoforms, resulting from the use of alternate downstream translation initiation sites, have also been noted. A related pseudogene has been identified on chromosome 13.
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