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Biotechnology and Biomedical Engineering
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Immunology Virtual Lab II
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Purification of IgG Antibodies using Affinity Chromatography
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Purification of IgG Antibodies using Affinity Chromatography
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Theory
Procedure
Self Evaluation
Animation
Assignment
Reference
Feedback
1)
In affinity chromatography the proteins are separated solely on basis of their :
Size
Molecular weight
Specificity
Ionic strength
2)
Protein A binds to the Fc region of immunoglobulins through interactions with the heavy chain.
True
False
3)
Spacer arm is used
To improve binding between ligand and target molecule
To overcome any effects of steric hindrance
when active site is located deep within a sample molecule
All the above
4)
--------------- can be employed as a ligand in the purification of glycoproteins.
Protein A
Protein G
Glutathione
Lectins
5)
Protein A,protein G,protein L are derived from ------------- respectively.
Staphylococcus ,Streptococcus, Peptostreptoccus magnus
Peptostreptoccus magnus, Staphylococcus ,Streptococcus
Streptococcus, Staphylococcus , Peptostreptoccus magnus
Staphylococcus , Peptostreptoccus magnus, Streptococcus
6)
The binding of Antibodies to protein A occurs better at which condition:
Low PH
High pH
Neutral condition
Allof them
7)
Chaotropes are used to denature the eluted proteins:
True
False
8)
The protein A and Protein B have a high affinity to the -----------------region of the Ig G type antibodies.
Fab Region
Fc Region
Both of them
None of these
9)
Which of the following is used as a powerful tool for isolate and purify classes ,subclasses and fragments of immunoglobulins from biological fluids.
Protein H Sepharose CL-4B
Protein L Sepharose CL-4B
Protein A Sepharose CL-4B
Protein G Sepharose CL-4B
10)
The ligands are coupled to the solid support material by which type of interaction :
Ionic bond
Covalent Bond
Hydrogen bond
Disulfide bond
Cite this Simulator:
vlab.amrita.edu,. (2011). Purification of IgG Antibodies using Affinity Chromatography. Retrieved 6 December 2023, from vlab.amrita.edu/?sub=3&brch=70&sim=1099&cnt=3
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