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For research use only.

Verified Samples Verified Samples in WB: 293T, HeLa, Jurkat, L-O2, Mouse brain
Verified Samples in IF: HeLa
Dilution WB 1:500-1:2000,  IF 1:50-1:200
Isotype IgG
Host Rabbit
Reactivity Human,  Mouse,  Rat
Applications WB,  IF
Clonality Polyclonal
Immunogen Recombinant fusion protein of human CREB1 (NP_604391.1).
Abbre CREB1
Synonyms CREB,  CREB-1,  CREB1
Swissprot
Calculated MW 25 kDa/35 kDa/36 kDa
Observed MW 40 kDa
The actual band is not consistent with the expectation.

Western blotting is a method for detecting a certain protein in a complex sample based on the specific binding of antigen and antibody. Different proteins can be divided into bands based on different mobility rates. The mobility is affected by many factors, which may cause the observed band size to be inconsistent with the expected size. The common factors include:

1. Post-translational modifications: For example, modifications such as glycosylation, phosphorylation, methylation, and acetylation will increase the molecular weight of the protein.

2. Splicing variants: Different expression patterns of various mRNA splicing bodies may produce proteins of different sizes.

3. Post-translational cleavage: Many proteins are first synthesized into precursor proteins and then cleaved to form active forms, such as COL1A1.

4. Relative charge: the composition of amino acids (the proportion of charged amino acids and uncharged amino acids).

5. Formation of multimers: For example, in protein dimer, strong interactions between proteins can cause the bands to be larger. However, the use of reducing conditions can usually avoid the formation of multimers.

If a protein in a sample has different modified forms at the same time, multiple bands may be detected on the membrane.

Cellular Localization Nucleus.
Concentration 1 mg/mL
Buffer Phosphate buffered solution, pH 7.4, containing 0.05% stabilizer and 50% glycerol.
Purification Method Affinity purification
Research Areas Cancer,  Epigenetics and Nuclear Signaling,  Immunology
Conjugation Unconjugated
Storage Store at -20°C Valid for 12 months. Avoid freeze / thaw cycles.
Shipping The product is shipped with ice pack,upon receipt,store it immediately at the temperature recommended.
background This gene encodes a transcription factor that is a member of the leucine zipper family of DNA binding proteins. This protein binds as a homodimer to the cAMP-responsive element, an octameric palindrome. The protein is phosphorylated by several protein kinases, and induces transcription of genes in response to hormonal stimulation of the cAMP pathway. Alternate splicing of this gene results in several transcript variants encoding different isoforms.
Other Clones

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Unconjugated

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