Thermo Fisher Scientific KAP-1 Polyclonal Antibody
Rabbit polyclonal antibody targeting human KAP-1 (TRIM28) region 650–700. Suitable for WB, IHC, IP applications. Unconjugated, liquid form, 1 mg/mL concentration. Recommended storage at 4°C and shelf life of 1 year. For research use only.
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- A300275Ax (2개 옵션)
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Thermo Fisher Scientific KAP-1 Polyclonal Antibody
Applications and Tested Dilution
| Application | Tested Dilution |
|---|---|
| Western Blot (WB) | 1:2,000–1:10,000 |
| Immunohistochemistry (IHC) | 1:1,000–1:5,000 |
| Immunohistochemistry (Paraffin) (IHC (P)) | 1:1,000–1:5,000 |
| Immunoprecipitation (IP) | 2–10 µg/mg lysate |
Product Specifications
| Property | Description |
|---|---|
| Host / Isotype | Rabbit / IgG |
| Class | Polyclonal |
| Type | Antibody |
| Immunogen | Region between residue 650 and 700 of human Tripartite Motif-Containing 28 (TRIM28, UniProt ID: Q13263-1) |
| Conjugate | Unconjugated |
| Form | Liquid |
| Concentration | 1 mg/mL |
| Storage Conditions | 4°C |
| Shipping Conditions | Wet ice |
Product Specific Information
- Recommended shelf life: 1 year from date of receipt
- For IHC, epitope retrieval with citrate buffer pH 6.0 is recommended for FFPE tissue sections
- Based on 100% sequence identity, this antibody is predicted to react with Rat
Target Information
The KRAB (Kruppel-associated box) domain is a transcriptional repression domain (~45 amino acids) found in numerous transcription factors. Over 220 KRAB-zinc finger protein (KRAB-ZFP) genes have been identified in the human genome. These proteins repress transcription through interactions with KAP-1 (KRAB-associated protein 1).
KAP-1 is an 835 amino acid polypeptide containing a RING finger, B boxes, and a PHD finger. It forms complexes with KRAB-domain transcription factors, enhancing transcriptional repression efficiency. KAP-1 also interacts with HP1 (heterochromatin protein 1) and KRAZ1 (Kruppel-associated box-containing zinc finger protein 1), targeting KRAZ1 to centromeric heterochromatin foci containing HP1alpha, thereby regulating transcriptional repression. Mutations in KAP-1 that disrupt HP1 binding lead to random KRAZ1 distribution and strong transcriptional activation.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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