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  2. Anti-Flag Affinity Gel

Anti-Flag Affinity Gel 

Cat. No.: HY-K0217
Manual SDS

MCE Anti-Flag Affinity Gel is used for immunoprecipitation (IP) or protein purification of specific Flag-tagged proteins expressed in bacterial and mammalian cells and in vitro expression systems.

Anti-Flag Affinity Gel
Size Price Stock Quantity
Free Sample (80 μL)   Apply Now  
1 mL USD 330 In-stock
Estimated Time of Arrival: December 31
5 mL USD 1300 In-stock
Estimated Time of Arrival: December 31
10 mL USD 2250 In-stock
Estimated Time of Arrival: December 31

* Please select Quantity before adding items.

  • Description

  • Storage

  • Protocol

  • Components

  • Documentation

Description
& Advantages

MCE Anti-Flag Affinity Gel is a purified mouse IgG2b monoclonal antibody covalently attached to agarose Sepharose 4B. With high protein-binding capacity (>1.1 mg protein/mL) and stability, this product is ideal for high performance purification or immunoprecipitation (IP) of Flag-tagged proteins expressed in E.coli, yeast, insect and mammalian expression systems.

Features:

1. Convenient and time saving.

2. Low non-specific binding.

3. Minimal samples loss.

4. Protein binding capacity up to 1.1 mg/mL.

Storage

Stored at -20°C, and is stable for up to 2 years.

Protocol

1.   Preparation of Anti-Flag Affinity Gel

1.1   Thoroughly suspend the Anti-Flag Affinity Gel. Transfer 10 μL of the gel suspension (about 5 μL of settled gel) to a clean tube.

1.2   Add 600 μL of Wash Buffer to resuspend the gel. Centrifuge at 10,000 rpm for 30 seconds. Remove the supernatant carefully. Be sure that most of the wash buffer is removed and no gel is discarded. Repeat 3-4 times.

2.   Protein Binding

2.1   Add 500 μL of cell lysate (the sample containing Flag-tagged protein) to the cleaned gel from step 1.2. Incubate for 2 hours at 4°C while gently rotating the tube. For higher binding efficiency, please incubate overnight.

2.2   Centrifuge at 10,000 rpm for 30 seconds, and transfer the supernatant to a new cube (the supernatant can be used to determine whether there is residual Flag-tagged protein).

3.   Washing

Wash the gel with 500 μL of Wash Buffer, centrifuge at 10,000 rpm for 30 seconds. Remove the supernatant carefully. Be sure that most of the wash buffer is removed and no gel is discarded. Wash until the OD280 of the supernatant liquid<0.05.

4.   Elution/Detection

Three elution methods are recommended according to protein characteristics or further usage:

4.1   Elution with SDS-PAGE Loading Buffer for gel electrophoresis and immuoblotting.

Add 50 μL of 1× SDS-PAGE Loading Buffer to each tube. Mix well and boil for 5 minutes. Centrifuge at 10,000 rpm for 30 seconds. Keep the supernatant for SDS-PAGE analysis.

4.2   Elution with Elution Buffer A under acidic condition.

Add 50 μL of Elution Buffer A to each tube. Mix well and incubate for 10 minutes at room temperature. Centrifuge at 10,000 rpm for 30 seconds and transfer the supernatant to a new tube. Add 25 μL of Neutralization Buffer for each 50 μL of eluate to neutralize the low pH, which may help preserve bioactivity of target proteins.

4.3   Elution with Elution Buffer B under native condition.

Add 30-50 μL of Elution Buffer B to each tube. Incubate with gentle shaking or on a rotator for 1 hour at room temperature or 2 hours at 4ºC. Centrifuge at 10,000 rpm for 30 seconds and transfer the supernatant to a new tube.

NOTE: For immediate use, store the eluates at 4ºC, or store at -20ºC for long term storage.

Components
Contents HY-K0217-1 mL HY-K0217-5 mL HY-K0217-10 mL
MCE Anti-Flag Affinity Gel 1 mL 5 mL 10 mL
Documentation

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Product Name:
Anti-Flag Affinity Gel
Cat. No.:
HY-K0217
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