CAS CH 373 Lecture Notes - Lecture 4: Polyacrylamide, Ionization, Tryptophan
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You have a mixture of peptides with the following amino acid sequences:
TYWSF
TEDSE
KAGFELCRNEDACEF
It will take at least two different chromatography columns to separate the three proteins from each other. Which non-denaturing purification methods do you use? Please explain, specifically, comment on which techniques will effectively separate which peptides from each other. Thanks.
A. Hydrophobic interaction column and a size exclusion column |
B. | Cation exchange column and a metal affinity column |
C. | Size exclusion column and a chitin affinity column |
D. | SDS-PAGE and an anion exchange column |