CDK12 Antibody #11973
Filter:
- WB
Supporting Data
| REACTIVITY | H Mk |
| SENSITIVITY | Endogenous |
| MW (kDa) | 205 |
| SOURCE | Rabbit |
Application Key:
- WB-Western Blotting
Species Cross-Reactivity Key:
- H-Human
- Mk-Monkey
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
Storage
Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA and 50% glycerol. Store at –20°C. Do not aliquot the antibody.
Protocol
Specificity / Sensitivity
CDK12 Antibody recognizes endogenous levels of total CDK12 protein. This antibody also cross-reacts with proteins of unknown origin at 48 and 53 kDa.
Species Reactivity:
Human, Monkey
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Val492 of human CDK12 protein. Antibodies are purified by protein A and peptide affinity chromatography.
Background
Cyclin-dependent kinase 12 (CDK12/CRKRS/CRK7) is composed of a central CTD kinase domain, several proline-rich regions, and several amino-terminal arginine/serine (RS) motifs common to splicing factors (1). CDK12 is ubiquitously expressed and forms a complex with cyclin K that regulates phosphorylation of the C-terminal domain (CTD) of RNA polymerase II (1-4). CDK12 is important for expression of a subset of long genes with high numbers of exons including some regulators of the DNA damage response, such as breast and ovarian cancer type 1 susceptibility protein 1 (BRCA1) and ataxia telangiectasia and Rad3-related (ATR) (3). Depletion of CDK12 results in spontaneous DNA damage and increased sensitivity to DNA damage agents (3). Research studies have shown that CDK12 is recurrently mutated in high-grade ovarian cancer (5,6). In addition, high levels of CDK12 are required to maintain pluripotency of embryonic stem cells (7).
- Ko, T.K. et al. (2001) J Cell Sci 114, 2591-603.
- Bartkowiak, B. et al. (2010) Genes Dev 24, 2303-16.
- Blazek, D. et al. (2011) Genes Dev 25, 2158-72.
- Cheng, S.W. et al. (2012) Mol Cell Biol 32, 4691-704.
- The Cancer Genome Atlas Research Network (2011) Nature 474, 609-15.
- Carter, S.L. et al. (2012) Nat Biotechnol 30, 413-21.
- Dai, Q. et al. (2012) J Biol Chem 287, 25344-52.
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For Research Use Only. Not For Use In Diagnostic Procedures.
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