Revision 1

#19472

Store at -20C

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Orders:

877-616-CELL (2355)

[email protected]

Support:

877-678-TECH (8324)

3 Trask Lane | Danvers | Massachusetts | 01923 | USA

For Research Use Only. Not for Use in Diagnostic Procedures.

Applications:
W

Reactivity:
H M R

Sensitivity:
Endogenous

MW (kDa):
79

Source/Isotype:
Rabbit IgG

UniProt ID:
#O75909

Entrez-Gene Id:
8812

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, 50% glycerol, and less than 0.02% sodium azide. Store at –20°C. Do not aliquot the antibody.

Specificity/Sensitivity

Cyclin K (E7F4N) Rabbit mAb recognizes endogenous levels of total cyclin K protein.

Source / Purification

Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Ala15 of human cyclin K protein.

Background

Cyclin K is a positive regulator of transcriptional cyclin-dependent kinases (CDKs) CDK12 and CDK13. The cyclin K/CDK12 complex regulates the formation of the pre-replicative complex during G1 phase of the cell cycle (1), as well as the expression of key proteins in the DNA Damage Response (DDR) (2). Regulation of DDR-related gene expression involves cyclin K interaction with the histone methyltransferase SETD1A (3).

Due to its importance in maintaining genome stability through regulation of the DDR, the cyclin K/CDK12 complex is an emerging therapeutic target in human cancer (4,5). Targeted protein degradation via molecular glues and PROTACs have been employed to specifically degrade cyclin K/CDK12 as a means of targeting the DDR in human cancer (6-9).

Species Reactivity

Species reactivity is determined by testing in at least one approved application (e.g., western blot).

Western Blot Buffer

IMPORTANT: For western blots, incubate membrane with diluted primary antibody in 5% w/v nonfat dry milk, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.

Applications Key

W: Western Blotting

Cross-Reactivity Key

H: Human M: Mouse R: Rat Hm: Hamster Mk: Monkey Vir: Virus Mi: Mink C: Chicken Dm: D. melanogaster X: Xenopus Z: Zebrafish B: Bovine Dg: Dog Pg: Pig Sc: S. cerevisiae Ce: C. elegans Hr: Horse GP: Guinea Pig Rab: Rabbit G: Goat All: All Species Expected

Trademarks and Patents

Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc.

All other trademarks are the property of their respective owners. Visit cellsignal.com/trademarks for more information.

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Orders: 877-616-CELL (2355) [email protected] Support: 877-678-TECH (8324) [email protected] Web: cellsignal.com
For Research Use Only. Not for Use in Diagnostic Procedures.

Revision 1

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Western blot analysis of extracts from MIA PaCa-2 cells, transfected with control siRNA (-) or human CCNK siRNA (hCCNK siRNA; +), using Cyclin K (E7F4N) Rabbit mAb (upper) or GAPDH (D16H11) XP® Rabbit mAb #5174 (lower).
Western Blotting Image 1: Cyclin K (E7F4N) Rabbit mAb
Western blot analysis of extracts from NCI-H522 and MIA PaCa-2 cells, untreated (-) or treated with HQ461, a molecular glue that promotes cyclin K degradation, (10 μM, 4 hr; +), using Cyclin K (E7F4N) Rabbit mAb (upper) or GAPDH (D16H11) XP® Rabbit mAb #5174 (lower). Cyclin K protein levels are reduced by HQ461 treatment as expected.
Western Blotting Image 2: Cyclin K (E7F4N) Rabbit mAb
Western blot analysis of extracts from various cell lines using Cyclin K (E7F4N) Rabbit mAb (upper) or GAPDH (D16H11) XP® Rabbit mAb #5174 (lower).
Western Blotting Image 3: Cyclin K (E7F4N) Rabbit mAb
Orders: 877-616-CELL (2355) [email protected] Support: 877-678-TECH (8324) [email protected] Web: cellsignal.com
For Research Use Only. Not for Use in Diagnostic Procedures.