CDK4 Polyclonal Antibody

Uniprot : P11802
    • polyclonal antibody-Elabscience
    • polyclonal antibody-Elabscience
    • polyclonal antibody-Elabscience
    • polyclonal antibody-Elabscience
    • polyclonal antibody-Elabscience
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    • polyclonal antibody-Elabscience
    • polyclonal antibody-Elabscience
    • polyclonal antibody-Elabscience
    • polyclonal antibody-Elabscience
    • polyclonal antibody-Elabscience
    • polyclonal antibody-Elabscience
    • polyclonal antibody-Elabscience
    • polyclonal antibody-Elabscience
    • polyclonal antibody-Elabscience
    • polyclonal antibody-Elabscience

      Catalog number:E-AB-40286

      Synonyms:Cdk 4,cdk4,CDK4 protein,CDK4,Cell division kinase 4,Cell division protein kinase 4,CMM 3,CMM3,Crk3,Cyclin dependent kinase 4,Cyclin-dependent kinase 4,Melanoma cutaneous malignant 3,MGC14458,p34 cdk4,PSK J3,PSK-J3

      Size:
      • 20μL
      • 60μL
      • 120μL
      • 200μL
      Qty:
      - +
      Price: $60

      Host: Rabbit

      Reactivity: H,M,R

      Applications: WB,IHC

      Lead Time: 7~10 daysWelcome to order from local distributors.

      Add to cart Compare Bulk request Manual

      Overview

      Synonyms Cdk 4,cdk4,CDK4 protein,CDK4,Cell division kinase 4,Cell division protein kinase 4,CMM 3,CMM3,Crk3,Cyclin dependent kinase 4,Cyclin-dependent kinase 4,Melanoma cutaneous malignant 3,MGC14458,p34 cdk4,PSK J3,PSK-J3
      Swissprot P11802
      Source Rabbit
      Reactivity Human,Mouse,Rat
      Immunogen Recombinant Human Cyclin-dependent kinase 4 protein
      Application WB(Detection kit: E-IR-R304),IHC(Detection kit: E-IR-R213)
      Recommended dilution WB 1:1000-1:2000 IHC 1:100-1:300
      Concentration 1mg/mL

      Operation Manual

      CDK4 Polyclonal Antibody Western Blot

      Operation Guide ( Download )

      In order to facilitate the operation and ensure the accuracy of WB results, the Western Blot Detection kit (Cat# E-IR-R304) is now available, containing the reagents which are needed from sample preparation to result detection. Please order the appropriate kit according to your specific needs.

      StepCondition
      Gel15%
      Transfer Membrane150 mA, 1 h
      Blocking5% Skim Milk Powder,2 h
      Primary Antibody1:1000
      Secondary Antibody1:5000

      Click Here for More Details.. More ↓

      Preparation of protein samples

      1.Protein extraction

      1)For tissue sample
      a. Take the samples, wash the tissue thoroughly with pre-cooled PBS (0.01 M, pH=7.4)(Cat# E-BC-R187) to remove the surface blood and internal debris.
      b. Weigh and smash the tissue, add an appropriate ratio of RIPA Lysis Buffer (Cat# E-BC-R327)(add 10 μL PMSF and 10 μL Na3VO4 to each 1 mL RIPA Lysis) and homogenizely lyse the tissue.
      It is recommended to homogenize according to the ratio of tissue weight: RIPA volume = 3:10. For example, add 1 mL RIPA Lysis Buffer to 0.3 g tissue sample, the specific volume can be adjusted according to experimental requirements.
      c. Shake and lyse on the ice for 30 min after homogenization. And then sonicate the sample for 1 min (under ice water bath conditions) with 2 s’ sonication and 2 s’ intervals to make cells fully lysis and reduce the viscosity of sample.
      d. Centrifuge at 12,000 rpm for 10 min at 4℃.
      e. Take the supernatant and measure the protein concentration mentioned in step2.

      2)For cell sample
      a. Collect the cells, wash them thoroughly with pre-cooled PBS (0.01 M, pH=7.4) to remove the medium off (it is generally recommended to wash 3 times).
      b. Add an appropriate ratio of RIPA Lysate Buffer (10 μL PMSF and 10 μL Na3VO4 in each 1 mL RIPA Lysis) and lyse on the ice for 30 min.
      It is recommended to add 0.1 mL of RIPA Lysis Buffer to each well of a 6-well plates (the protein content in different cells may vary, and the volume of the lysate added can be appropriately adjusted).
      c. Sonicate the sample for 1 min (under ice water bath conditions) with 2 s’ sonication and 2 s’ intervals to make cells fully lyse and reduce viscosity of sample.
      d. Centrifuge at 12,000 rpm for 10 min at 4℃.
      e. Take the supernatant and measure the protein concentration mentioned in step2.

      2.Measurement of protein concentration
      By the BCA method (see the Total Protein Colorimetric Assay Kit (Cat# E-BC-K318) instructions).

      3.Boiling the samples
      Adjust the protein concentration with PBS Buffer. Add 5 × SDS Loading Buffer (Cat# E-BC-R288) with the ratio of the protein sample: 5 × SDS Loading Buffer = 4:1 and boil the mixture for 10 min. Centrifuge at 12,000 rpm for 2 min and collect the supernatant. The denatured protein can be employed to Western Blot experiments or stored at -20℃ or -80℃.

      Note: It is recommended that the total protein loading amount of test sample is about 50 μg in each well. Try to make the loading volume of each sample close to 10 μL.

      Electrophoresis

      1.According to the molecular weight of the target protein, prepare 15% separation gel. Add the test sample to each well, and add 5 μL of Pre-stained Protein Marker (Cat# E-BC-R273)to a reserved well in order to verify the target molecular weight and the extent of membrane transfer. Add Electrophoresis Buffer ( Cat# E-BC-R331) and start electrophoresis.

      2.Electrophoresis at 80v when the samples are in stacking gel, then convert to 120v when the blue flow into the separating gel. Electrophoresis time is about 2-3 h till bromophenol blue reaches the bottom of the gel.

      Transfer Membrane (Wet transfer)

      1.Choose the PVDF Membrane (Cat# E-BC-R329) with a pore size of 0.22 μm according to the molecular weight of the target protein. Soak the PVDF Membrane in methanol for 1 min to activate it, and then soak the PVDF Membrane in the Transmembrane Buffer (Cat# E-BC-R333), the filter paper and fiber mat must be soaked in the Transmembrane Buffer for use too.

      2.Place the following materials in the order of the black plate (negative electrode) - fiber mat - filter paper - gel - PVDF Membrane - filter paper - fiber mat - white plate (positive electrode) are placed in order, discharge bubbles, clamp and place in the wet transfer tank. The recommended transmembrane conditions are 150 mA, 1 h. Make sure that the transmembrane process is carried out at low temperatures.
      Note: This is for wet transfer. If other transmembrane methods are used, please adjust according to the specific conditions.

      3.After the transmembrane, take out the PVDF Membrane carefully and wash with TBST Buffer for 1 min.

      Incubation of antibodies

      1.Soak the PVDF Membrane with TBST Buffer (Cat# E-BC-R335) containing 5% Skim Milk Powder as blocking buffer and block the membrane at room temperature for 2 h.

      2.According to the recommended primary antibody dilution ratio, use the TBST Buffer containing 5% Skim Milk Powder to dilute the CDK4 Antibody at 1:1000, soak the PVDF Membrane in the primary antibody working solution, incubate overnight at 4 ℃, and gently shake.

      3.Wash the PVDF Membrane with TBST Buffer for 3 times, 15 min/time.

      4.According to the recommended secondary antibody dilution ratio, use a TBST Buffer solution containing 2% Skim Milk Powder to dilute Goat Anti-Rabbit IgG (H+L) (peroxidase/HRP conjugated) (Cat# E-AB-1003) at 1:5000. Incubate at room temperature for 1 h on a shaker.

      5.Wash the PVDF Membrane with TBST Buffer for 3 times, 15 min/time.

      Detection

      1.Mix A and B in the Excellent Chemiluminescent Substrate Detection kit (Cat# E-BC-R347) at the ratio of 1:1 as working solution.

      2.Take out the PVDF Membrane from TBST Buffer and absorb the liquid with the filter paper. Pave the PVDF Membrane on the detection machine, add ECL working solution continuously on the PVDF Membrane, discharge the bubble and detect the result.

      3.Adjust the contrast and the exposure time to get the best image.

      Appendix

      Properties

      Cellular localization Cytoplasm. Nucleus. Membrane. 
      Tissue specificity Highest expression level in right ovary
      Isotype IgG
      Purification Antigen Affinity Purification
      Conjugation Unconjugated
      Storage instructions Store at -20℃. Avoid freeze / thaw cycles.
      Storage buffer PBS with 0.05% Proclin300, 50% glycerol, pH7.3.
      Background The protein encoded by this gene is a member of the Ser/Thr protein kinase family. This protein is highly similar to the gene products of S. cerevisiae cdc28 and S. pombe cdc2. It is a catalytic subunit of the protein kinase complex that is important for cell cycle G1 phase progression. The activity of this kinase is restricted to the G1-S phase, which is controlled by the regulatory subunits D-type cyclins and CDK inhibitor p16(INK4a). This kinase was shown to be responsible for the phosphorylation of retinoblastoma gene product (Rb). Mutations in this gene as well as in its related proteins including D-type cyclins, p16(INK4a) and Rb were all found to be associated with tumorigenesis of a variety of cancers. Multiple polyadenylation sites of this gene have been reported.

      Images

      Western Blot analysis of NIH/3T3, K562 cells, Rat spleen and Rat stomach using CDK4 Polyclonal Antibody at dilution of 1:1000

      Western Blot analysis of 293T cells using CDK4 Polyclonal Antibody at dilution of 1:1000

      Western Blot analysis of HepG2 cells using CDK4 Polyclonal Antibody at dilution of 1:1000

      Immunohistochemistry of paraffin-embedded Human lung cancer using CDK4 Polyclonal Antibody at dilution of 1:200

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