![[B] Draw structure of the pentapeptide Met-Phe-Leu-Pro -Trp (10 Points)](http://img.homeworklib.com/questions/a11457b0-f284-11eb-9321-6bb0d180d430.png?x-oss-process=image/resize,w_560)
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[B] Draw structure of the pentapeptide Met-Phe-Leu-Pro -Trp (10 Points)
What fragments will be obtained by a trypsin hydrolysis of the following octapeptide? Ala-Val-Trp-Lys-Phe-Gly-Arg-Met A) Ala-Val-Trp-Lys-Phe...
What fragments will be obtained by a trypsin hydrolysis of the following octapeptide? Ala-Val-Trp-Lys-Phe-Gly-Arg-Met A) Ala-Val-Trp-Lys-Phe and Gly-Arg-Met 3) Ala-Val-Trp-Lys-Phe-Gly and Arg-Met - Ala-Val-Trp-Lys and Phe-Gly-Arg and Met ) Ala-Val-Trp-Lys and Phe and Gly-Arg and Met ) Ala-Val-Trp and Lys-Phe-Gly and Arg-Met Bradykinin is a nonapeptide, Arg-Pro-Pro-Gly-Phe-Ser-Pro-Phe-Arg. In addition to one mole of Arg, what peptides are present after hydrolysis of bradykinin with chymotrypsin? A) Arg-Pro-Pro and Gly-Phe and Ser-Pro-Phe B) Pro-Pro-Gly and Phe-Ser-Pro-Phe-Arg C) Arg-Pro-Pro-Gly-Phe and Ser-Pro-Phe ?) Arg-Pro-Pro-Gly-Phe-Ser...
Draw the Lewis structure of the pentapeptide Met-Glu-Leu-His-Lys as it will exist at the following pH's...
Draw the Lewis structure of the pentapeptide Met-Glu-Leu-His-Lys as it will exist at the following pH's РH 2.5 a. b. рH 7.0 pH 10.0 с. d. What is the isoelectric point for this peptide?
Draw the Lewis structure of the pentapeptide Met-Glu-Leu-His-Lys as it will exist at the following pH's РH 2.5 a. b. рH 7.0 pH 10.0 с. d. What is the isoelectric point for this peptide?
Styles A decapeptide has the following amina acid composition: Arg. Asp, Gly, Leu, Lys, Met, Phe,...
Styles A decapeptide has the following amina acid composition: Arg. Asp, Gly, Leu, Lys, Met, Phe, Ser. Trp, and Val Reacting the native peptide with FDNB and then hydrolyzing released 2.4- dinitrophenylvaline. Brief incubation of the native peptide with carboxypeptidase yielded free Leu. Incubation with cyanogen bromide yielded two fragments: a tetrapeptide with composition Met, Phe, Ser, and Val, and a hexapeptide. The hexapeptide yielded 2.4- dinitrophenylglycine. Proteolytic cleavage by trypsin of the native peptide gave free Leu, a tripeptide,...
Which of these protein sequences is most likely to span a cell membrane? Gly-Asp-Val-Ala-Gly-Arg-Gly-Asn-Gly-Lys-Lys-Pro-Ser-Ser-Val-Arg-Ala-Leu-Ser Ile-Val-Leu-Pro-Ile-Val-Leu-Leu-Val-Phe-Leu-Cys-Leu-Gly-Val-Phe-Leu-Leu-Trp Lys-Asn-Trp-Arg-Leu-Lys-Asn-I
Which of these protein sequences is most likely to span a cell
membrane?
Gly-Asp-Val-Ala-Gly-Arg-Gly-Asn-Gly-Lys-Lys-Pro-Ser-Ser-Val-Arg-Ala-Leu-Ser Ile-Val-Leu-Pro-Ile-Val-Leu-Leu-Val-Phe-Leu-Cys-Leu-Gly-Val-Phe-Leu-Leu-Trp Lys-Asn-Trp-Arg-Leu-Lys-Asn-Ile-Asn-ser-Ile-Asn-Phe-Asp-Asn-Pro-Val-Tyr-Gln A. 773 B. 792 C. 811
A protein has the following N-terminal sequence and the following organization of signal/stop/start sequences. Met-Lys-Trp-Val-Thr-Phe-Leu-Leu-Leu-Leu-Phe-Ile-Ser-Gly-Ser-Ala-Phe-Ser-Arg-… i)...
A protein has the following
N-terminal sequence and the following organization of
signal/stop/start sequences.
Met-Lys-Trp-Val-Thr-Phe-Leu-Leu-Leu-Leu-Phe-Ile-Ser-Gly-Ser-Ala-Phe-Ser-Arg-…
i) What is the topology of this protein in the cell membrane?
The red segments correspond to either signal sequences or stop
transfer sequences. The orange segments correspond to start
transfer sequences
ii) What is the N-terminal sequence of the protein, after
processing
iii) Is this a eukaryotic or prokaryotic protein? Why?
Signal Stop Start Stop Start
Deduce the sequence of a heptapeptide that contains the amino acids Met, Gln, Phe, Leu, Cys,...
Deduce the sequence of a heptapeptide that contains the amino
acids Met, Gln, Phe, Leu, Cys, Val, and Arg, from the following
experimental data. Edman degradation cleaves Cys from the
heptapeptide, and carboxypeptidase forms Gln and a hexapeptide.
Treatment of the heptapeptide with chymotrypsin forms a hexapeptide
and a single amino acid. Treatment of the heptapeptide with trypsin
forms a pentapeptide and a dipeptide. Partial hydrolysis forms Gln,
Cys, Phe, and the tripeptides Leu-Met-Val and Met-Val-Arg.
Be sure to answer...
please explain each question thoroughly. thanks Question 3: Arg-Cys-Met-Ala-Cys-Gly-Arg-Pro-Asn-Tyr-Leu-Trp-Ala-Ile-His-Phe-Ser-Cys-Lys a. What would happen if this peptide...
please explain each question thoroughly. thanks
Question 3: Arg-Cys-Met-Ala-Cys-Gly-Arg-Pro-Asn-Tyr-Leu-Trp-Ala-Ile-His-Phe-Ser-Cys-Lys a. What would happen if this peptide were to be incubated with dinitrofluorobenzene (FDNB) followed by 6M HCl hydrolysis at 1100C for 24 hrs. What labeled product(s) would be detected? Consider the following pepide: What would happen if the peptide were treated with CNBr? What would the products be? Why? b. What would happen if the peptide were treated with chymotrypsin? What would the c. products be? Why? Arg-Cys-Met-Ala-Cys-Gly-Arg-Pro-Asn-Tyr, Leu-Trp, Ala-Ile-His-Phe,...
Which sequence is more soluble on water. a. Glu-Lys-Leu-Met-His b. Lys-Ser-Ser-Tyr-Glu c. Asp-Phe-Trp-Met-His d. His-Tyr-Ser-Ala-Glu e....
Which sequence is more soluble on water.
a. Glu-Lys-Leu-Met-His b. Lys-Ser-Ser-Tyr-Glu c. Asp-Phe-Trp-Met-His d. His-Tyr-Ser-Ala-Glu e. His-Ala-Cys-Gly-Glu o
5. Consider the following peptide: His-Ser-Gln-Gly-Thr-Phe-Thr-Ser-Asp-Tyr-Ser-Lys-Tyr-Leu-Asp-Ser-Arg-Arg-Ala-Gin- Asp-Phe-Val-Gln-Trp-Leu-Met-Asn-Thr a. What are the fragments, if it is cleaved...
5. Consider the following peptide: His-Ser-Gln-Gly-Thr-Phe-Thr-Ser-Asp-Tyr-Ser-Lys-Tyr-Leu-Asp-Ser-Arg-Arg-Ala-Gin- Asp-Phe-Val-Gln-Trp-Leu-Met-Asn-Thr a. What are the fragments, if it is cleaved by trypsin? b. What are the fragments, if it is cleaved by chymotrypsin? c. What are the fragments, if it is cleaved by pepsin?
What peptide remains after two sequential Edman degradations of the pentapeptide? Ser-Pro-Gly-Phe-Arg Phe-Arg Pro-Gly Gly-Phe-Arg Ser-Pro-Gly...
What peptide remains after two sequential Edman degradations of the pentapeptide? Ser-Pro-Gly-Phe-Arg Phe-Arg Pro-Gly Gly-Phe-Arg Ser-Pro-Gly Pro-Gly-Phe
What fragments will be obtained by a trypsin hydrolysis of the following octapeptide? Ala-Val-Trp-Lys-Phe-Gly-Arg-Met A) Ala-Val-Trp-Lys-Phe and Gly-Arg-Met 3) Ala-Val-Trp-Lys-Phe-Gly and Arg-Met - Ala-Val-Trp-Lys and Phe-Gly-Arg and Met ) Ala-Val-Trp-Lys and Phe and Gly-Arg and Met ) Ala-Val-Trp and Lys-Phe-Gly and Arg-Met Bradykinin is a nonapeptide, Arg-Pro-Pro-Gly-Phe-Ser-Pro-Phe-Arg. In addition to one mole of Arg, what peptides are present after hydrolysis of bradykinin with chymotrypsin? A) Arg-Pro-Pro and Gly-Phe and Ser-Pro-Phe B) Pro-Pro-Gly and Phe-Ser-Pro-Phe-Arg C) Arg-Pro-Pro-Gly-Phe and Ser-Pro-Phe ?) Arg-Pro-Pro-Gly-Phe-Ser...
Draw the Lewis structure of the pentapeptide Met-Glu-Leu-His-Lys as it will exist at the following pH's РH 2.5 a. b. рH 7.0 pH 10.0 с. d. What is the isoelectric point for this peptide?
Draw the Lewis structure of the pentapeptide Met-Glu-Leu-His-Lys as it will exist at the following pH's РH 2.5 a. b. рH 7.0 pH 10.0 с. d. What is the isoelectric point for this peptide?
Styles A decapeptide has the following amina acid composition: Arg. Asp, Gly, Leu, Lys, Met, Phe, Ser. Trp, and Val Reacting the native peptide with FDNB and then hydrolyzing released 2.4- dinitrophenylvaline. Brief incubation of the native peptide with carboxypeptidase yielded free Leu. Incubation with cyanogen bromide yielded two fragments: a tetrapeptide with composition Met, Phe, Ser, and Val, and a hexapeptide. The hexapeptide yielded 2.4- dinitrophenylglycine. Proteolytic cleavage by trypsin of the native peptide gave free Leu, a tripeptide,...
Which of these protein sequences is most likely to span a cell
membrane?
Gly-Asp-Val-Ala-Gly-Arg-Gly-Asn-Gly-Lys-Lys-Pro-Ser-Ser-Val-Arg-Ala-Leu-Ser Ile-Val-Leu-Pro-Ile-Val-Leu-Leu-Val-Phe-Leu-Cys-Leu-Gly-Val-Phe-Leu-Leu-Trp Lys-Asn-Trp-Arg-Leu-Lys-Asn-Ile-Asn-ser-Ile-Asn-Phe-Asp-Asn-Pro-Val-Tyr-Gln A. 773 B. 792 C. 811
A protein has the following
N-terminal sequence and the following organization of
signal/stop/start sequences.
Met-Lys-Trp-Val-Thr-Phe-Leu-Leu-Leu-Leu-Phe-Ile-Ser-Gly-Ser-Ala-Phe-Ser-Arg-…
i) What is the topology of this protein in the cell membrane?
The red segments correspond to either signal sequences or stop
transfer sequences. The orange segments correspond to start
transfer sequences
ii) What is the N-terminal sequence of the protein, after
processing
iii) Is this a eukaryotic or prokaryotic protein? Why?
Signal Stop Start Stop Start
Deduce the sequence of a heptapeptide that contains the amino
acids Met, Gln, Phe, Leu, Cys, Val, and Arg, from the following
experimental data. Edman degradation cleaves Cys from the
heptapeptide, and carboxypeptidase forms Gln and a hexapeptide.
Treatment of the heptapeptide with chymotrypsin forms a hexapeptide
and a single amino acid. Treatment of the heptapeptide with trypsin
forms a pentapeptide and a dipeptide. Partial hydrolysis forms Gln,
Cys, Phe, and the tripeptides Leu-Met-Val and Met-Val-Arg.
Be sure to answer...
please explain each question thoroughly. thanks
Question 3: Arg-Cys-Met-Ala-Cys-Gly-Arg-Pro-Asn-Tyr-Leu-Trp-Ala-Ile-His-Phe-Ser-Cys-Lys a. What would happen if this peptide were to be incubated with dinitrofluorobenzene (FDNB) followed by 6M HCl hydrolysis at 1100C for 24 hrs. What labeled product(s) would be detected? Consider the following pepide: What would happen if the peptide were treated with CNBr? What would the products be? Why? b. What would happen if the peptide were treated with chymotrypsin? What would the c. products be? Why? Arg-Cys-Met-Ala-Cys-Gly-Arg-Pro-Asn-Tyr, Leu-Trp, Ala-Ile-His-Phe,...
Which sequence is more soluble on water.
a. Glu-Lys-Leu-Met-His b. Lys-Ser-Ser-Tyr-Glu c. Asp-Phe-Trp-Met-His d. His-Tyr-Ser-Ala-Glu e. His-Ala-Cys-Gly-Glu o
5. Consider the following peptide: His-Ser-Gln-Gly-Thr-Phe-Thr-Ser-Asp-Tyr-Ser-Lys-Tyr-Leu-Asp-Ser-Arg-Arg-Ala-Gin- Asp-Phe-Val-Gln-Trp-Leu-Met-Asn-Thr a. What are the fragments, if it is cleaved by trypsin? b. What are the fragments, if it is cleaved by chymotrypsin? c. What are the fragments, if it is cleaved by pepsin?
What peptide remains after two sequential Edman degradations of the pentapeptide? Ser-Pro-Gly-Phe-Arg Phe-Arg Pro-Gly Gly-Phe-Arg Ser-Pro-Gly Pro-Gly-Phe
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