Abcam, ab131899, Recombinant Human KAP1 protein

Size: 10µg
Recombinant Human KAP1 protein is a Human Full Length protein, in the 1 to 835 aa range, expressed in Wheat germ, suitable for SDS-PAGE, ELISA, WB.
Key facts
Expression system:Wheat germ,
Tags:GST tag N-Terminus,
Applications:WB, SDS-PAGE, ELISASee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Biologically active:No,
Accession:Q13263,
Animal free:No,
Carrier free:No,
Species:Human,
Storage buffer:pH: 8Constituents: 0.79% Tris HCl, 0.31% Glutathione

Properties and Storage Information:
Shipped at conditions-Dry Ice, Appropriate short-term storage conditions--80°C, Appropriate long-term storage conditions--80°C, Aliquoting information-Upon delivery aliquot, Storage information-Avoid freeze / thaw cycle

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
KAP1 also known as TRIM28 or TIF1β is a multifunctional protein involved in transcriptional regulation. It has a molecular weight of approximately 87 kDa. This protein is expressed in a wide variety of human tissues where it plays a role as a co-repressor for KRAB domain-containing zinc finger proteins. KAP1 recruits various epigenetic modifiers to silence transcription and this activity depends on its phosphorylation status. You might explore KAP1 using KAP1 ELISA kits and study its post-translational modifications like phosphorylation in various conditions.
Biological function summary
KAP1 acts as a scaffold protein facilitating the assembly of large protein complexes that include chromatin remodelers and histone deacetylases. It is significant in maintaining chromatin structure and mediating gene silencing. KAP1 phosphorylation serves as a switch between its roles in transcriptional repression and activation. This protein also interacts with heterochromatin protein 1 (HP1) and other TRIM family proteins playing an important role in genomic stability by controlling gene expression and repair mechanisms.
Pathways
KAP1 participates actively in p53 and DNA damage response pathways. In the p53 pathway KAP1 regulates genes involved in the cell cycle and apoptosis acting in conjunction with the p53 protein. Within the DNA damage response KAP1 modulates the repair of double-strand breaks by interacting with proteins like ATM kinase influencing cellular sensitivity to genotoxic stress. These pathways highlight its importance in maintaining cellular homeostasis and response to external stimuli.
KAP1 has known connections with cancer and neurological disorders due to its regulatory effects on gene expression and genome stability. In cancer aberrant KAP1 activity can lead to unregulated cell proliferation and survival often involving changes in its interaction with the p53 protein. In neurological disorders dysregulation of KAP1 is associated with impaired neural development and neurodegeneration. Altogether these associations highlight KAP1 as a potential target for therapeutic interventions in related diseases.