Show a tertiary structure of ACGGC after a disulfide bond forms. A sample of an unknown peptide was divided into two aliquots. One aliquot was treated with trypsin; the other was treated with cyanogen bromide. Given the following sequences (N-terminal to C-terminal) of the resulting fragments, deduce the sequence of the original peptide. Trypsin treatment Asn-Thr-Trp-Met-lle-Lys Gly-Tyr-Met-Gln-Phe Val-Leu-Gly-Met-Ser-Arg Cyanogen bromide treatment Gln-Phe Val-Leu-Gly-Met Ile-Lys-Gly-Tyr-Met Ser-Arg-Asn-Thr-Trp-Met

Biology 2e
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Author:Matthew Douglas, Jung Choi, Mary Ann Clark
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Chapter3: Biological Macromolecules
Section: Chapter Questions
Problem 23CTQ: Amino acids have the generic structure seen below, where R represents different carbon-based side...
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Answer number 2-3 only

GT 3
A. Write the structure of the pentapeptide GLDSC.
B. What is the complete name of this pentapeptide?
1.
Show a tertiary structure of ACGGC after a disulfide bond forms.
A sample of an unknown peptide was divided into two aliquots. One aliquot was treated with trypsin;
the other was treated with cyanogen bromide. Given the following sequences (N-terminal to C-terminal)
of the resulting fragments, deduce the sequence of the original peptide.
2.
3.
Trypsin treatment
Asn-Thr-Trp-Met-lle-Lys
Gly-Tyr-Met-GIn-Phe
Val-Leu-Gly-Met-Ser-Arg
Cyanogen bromide treatment
Gln-Phe
Val-Leu-Gly-Met
lle-Lys-Gly-Tyr-Met
Ser-Arg-Asn-Thr-Trp-Met
Transcribed Image Text:GT 3 A. Write the structure of the pentapeptide GLDSC. B. What is the complete name of this pentapeptide? 1. Show a tertiary structure of ACGGC after a disulfide bond forms. A sample of an unknown peptide was divided into two aliquots. One aliquot was treated with trypsin; the other was treated with cyanogen bromide. Given the following sequences (N-terminal to C-terminal) of the resulting fragments, deduce the sequence of the original peptide. 2. 3. Trypsin treatment Asn-Thr-Trp-Met-lle-Lys Gly-Tyr-Met-GIn-Phe Val-Leu-Gly-Met-Ser-Arg Cyanogen bromide treatment Gln-Phe Val-Leu-Gly-Met lle-Lys-Gly-Tyr-Met Ser-Arg-Asn-Thr-Trp-Met
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