Human CLOCK Antibody

Catalog # Availability Size / Price Qty
Detection of Human CLOCK by Western Blot.
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Product Details
Supplemental Products

Human CLOCK Antibody Summary

Species Reactivity
Detects human CLOCK in Western blots.
Polyclonal Sheep IgG
Antigen Affinity-purified
E. coli-derived recombinant human CLOCK
Accession # O15516
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.


Recommended Concentration
Western Blot
0.5 µg/mL
See below

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

Scientific Data

Western Blot Detection of Human CLOCK antibody by Western Blot. View Larger

Detection of Human CLOCK by Western Blot. Western blot shows lysates of PC-3 human prostate cancer cell line and HUVEC human umbilical vein endothelial cells. PVDF membrane was probed with 0.5 µg/mL of Human CLOCK Antigen Affinity-purified Polyclonal Antibody (Catalog # AF4026) followed by HRP-conjugated Anti-Sheep IgG Secondary Antibody (Catalog # HAF016). A specific band was detected for CLOCK at approximately 95 kDa (as indicated). This experiment was conducted using Immunoblot Buffer Group 1.

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Preparation and Storage

Reconstitute at 0.2 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Size / Price
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: CLOCK

CLOCK is an essential regulator of circadian rhythms. CLOCK is a basic helix-loop-helix-PAS transcription factor that heterodimerizes with BMAL1. Together these transcription factors bind to E box elements (CACGTG) within the promoter of circadian genes (period1 and 2) stimulating their transcription. BMAL dimerization is necessary for CLOCK’s nuclear translocation, E box dependent transcription, phosphorylation, and degradation.

Long Name
Circadian Locomoter Output Cycles Kaput
Entrez Gene IDs
9575 (Human); 12753 (Mouse); 60447 (Rat)
Alternate Names
BHLHE8; circadian locomoter output cycles protein kaput; Class E basic helix-loop-helix protein 8; clock (mouse) homolog; clock homolog (mouse); CLOCK; EC; hCLOCK; KAT13D; KIAA0334bHLHe8circadian locomoter output cycles kaput protein

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