For an Immunoprecipitation experiment:The cellular extract contains a protein labeled with a fluorescent dye, which emits green fluorescence under UV light. Explain your observations in IP-1, IP-2, and IP-3 tubes by considering the interaction among antibody 1 (or antibody 3), the fluorescent-labeled protein, and the protein-A agarose beads.

Essentials of Pharmacology for Health Professions
7th Edition
ISBN:9781305441620
Author:WOODROW
Publisher:WOODROW
Chapter5: Abbreviations And Systems Of Measurement
Section: Chapter Questions
Problem 11CRQ
icon
Related questions
Question

For an Immunoprecipitation experiment:The cellular extract contains a protein labeled with a fluorescent dye, which emits green fluorescence under UV light. Explain your observations in IP-1, IP-2, and IP-3 tubes by considering the interaction among antibody 1 (or antibody 3), the fluorescent-labeled protein, and the protein-A agarose beads. 

Procedure
Label 3 centrifuge tubes as IP-1, IP-2, and IP-3 with your group name.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
Vortex the Resin (Protein-A) tube briefly. Using a wide bore tip (cut the tip with a blade or
a pair of scissors), pipette 15 µl Resin (Protein-A) suspension to each labeled tube.
Wash the Resin (Protein-A): Pipette 0.1 ml PBS to each tube. Centrifuge for 5 seconds at
1,000 g. Carefully remove and discard the supernatant without disturbing the agarose
beads.
Set up three tubes as in the following table:
Tube
PBS
Cellular extract
Antibody 1
Antibody 3
IP-1 IP-2
IP-3
280 μ. | 290 μ. | 280 μ.
10 μl
10 μ. 10 μ.
10 μ.
Close all tubes tightly. Incubate the tubes at 4°C for 60 min. Invert the tubes 3-4 times
every 10 min.
Label tubes for collecting the supernatants as "IP-1 SN", "IP-2 SN", and "IP-3 SN
Centrifuge all tubes 5 seconds at 3,000 rpm. Carefully transfer the supernatants to the
labeled tubes without disturbing the agarose beads.
Add 300 μl PBS to each tube. Vortex briefly or tap the tubes with fingers to suspend the
agarose beads.
Centrifuge all tubes 5 seconds at 3,000 rpm. Carefully remove and discard the
supernatant without disturbing the agarose beads.
Repeat step 8 and step 9.
Observe the pellets and supernatants under a UV transilluminator.
Transcribed Image Text:Procedure Label 3 centrifuge tubes as IP-1, IP-2, and IP-3 with your group name. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. Vortex the Resin (Protein-A) tube briefly. Using a wide bore tip (cut the tip with a blade or a pair of scissors), pipette 15 µl Resin (Protein-A) suspension to each labeled tube. Wash the Resin (Protein-A): Pipette 0.1 ml PBS to each tube. Centrifuge for 5 seconds at 1,000 g. Carefully remove and discard the supernatant without disturbing the agarose beads. Set up three tubes as in the following table: Tube PBS Cellular extract Antibody 1 Antibody 3 IP-1 IP-2 IP-3 280 μ. | 290 μ. | 280 μ. 10 μl 10 μ. 10 μ. 10 μ. Close all tubes tightly. Incubate the tubes at 4°C for 60 min. Invert the tubes 3-4 times every 10 min. Label tubes for collecting the supernatants as "IP-1 SN", "IP-2 SN", and "IP-3 SN Centrifuge all tubes 5 seconds at 3,000 rpm. Carefully transfer the supernatants to the labeled tubes without disturbing the agarose beads. Add 300 μl PBS to each tube. Vortex briefly or tap the tubes with fingers to suspend the agarose beads. Centrifuge all tubes 5 seconds at 3,000 rpm. Carefully remove and discard the supernatant without disturbing the agarose beads. Repeat step 8 and step 9. Observe the pellets and supernatants under a UV transilluminator.
IP-1
IP-2 IP-3
171
2PZ
SA
201
SA
SN
IP-2
IP-3
supernatants IP-1 Supernatants
Supernatants
Transcribed Image Text:IP-1 IP-2 IP-3 171 2PZ SA 201 SA SN IP-2 IP-3 supernatants IP-1 Supernatants Supernatants
Expert Solution
steps

Step by step

Solved in 3 steps

Blurred answer
Knowledge Booster
Immune response
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Essentials of Pharmacology for Health Professions
Essentials of Pharmacology for Health Professions
Nursing
ISBN:
9781305441620
Author:
WOODROW
Publisher:
Cengage
An Illustrated Guide To Vet Med Term
An Illustrated Guide To Vet Med Term
Biology
ISBN:
9781305465763
Author:
ROMICH
Publisher:
Cengage
Basic Clinical Laboratory Techniques 6E
Basic Clinical Laboratory Techniques 6E
Biology
ISBN:
9781133893943
Author:
ESTRIDGE
Publisher:
Cengage