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8 pts Question 24 Identify the amino acids in the given cyclic peptide and report as...
Biochemistry - What kind of amino acids or amino acids derivatives form the cyclic peptide toxin...
Biochemistry - What kind of amino acids or amino acids derivatives form the cyclic peptide toxin alpha-amanitin? Please draw the structure of each (I think there are 8 amino acids and a cysteine and a tryptophan residue?)
Question 8 Name the amino acids (full name, three-letter code, OR one-letter code) shown in the...
Question 8 Name the amino acids (full name, three-letter code, OR one-letter code) shown in the peptide. CH2 CH₂ H IL 1 H - C #M •C-N-C-C-N-c-c-N-c-c-nc-c-00 H H H 11 0 1 Н CH₂ H р CHg CH₂ CH₂ NH BIVA-A- IE * 3x X, DE ..? V GT 12pt Paragraph
Use the annotated peptide below for questions 7-8. CH2 CHz CH3 CH2 CH2 CH2 SH NH2...
Use the annotated peptide below for questions 7-8. CH2 CHz CH3 CH2 CH2 CH2 SH NH2 NH2 он 7. (2 pts) Write the three-letter amino acid code for an amino acid in this peptide that would be able to stabilize protein structures through ionic interactions at pH 7.5. If there is not an amino acid in the above peptide that meets these specifications write "N/A"-not applicable. 8. (2pts) Write the three-letter amino acid code for an amino acid in this...
1. What amino acids do the following abbreviations stand for? Draw the structure of each. a)...
1. What amino acids do the following abbreviations stand for? Draw the structure of each. a) lle b) Thr c) Gin 2. Name and draw the structures of the amino acids that fit these descriptions: a) Contains an isopropyl group b) Contains a secondary alcohol group 3. Which of the following objects is chiral? a) A pair of scissors b) A comb c) A drinking glass 4. What does the term achiral mean? Give two examples involving organic structures.. 5....
Proteins are made from chains of amino acids. The amino acids are joined together by structures...
Proteins are made from chains of amino acids. The amino acids
are joined together by structures called peptide
bonds.
Draw the dipeptide that results when a peptide bond is formed
between the two glycine molecules shown here. (Figure 1) Draw it as
it would occur at the pHpH of most body fluids.
Draw the molecule on the canvas by choosing buttons from the
Tools (for bonds), Atoms, and Advanced Template toolbars. The
single bond is active by default. Include all...
Explain this question please! Name (4 ofer to the Table of Amino Acids at the beginning of the exam to help solve this problem. Polypeptide I is a 12-mer and has the following amino acid compositi...
Explain this question please!
Name (4 ofer to the Table of Amino Acids at the beginning of the exam to help solve this problem. Polypeptide I is a 12-mer and has the following amino acid composition: Ala, Arg, 2 His, Leu, 2 Lys, 2 Phe, Ser, Thr, Trp Edman degradation of I shows that its N-terminal amino acid is His. Chymotrypsin cleavage of I yields peptide fragments A-D.Trypsin cleavage of I gives peptide fragments E-G. Shown below is the amino...
Consider the following amino acids for questions 11-13. Choose the best answers. cysteine serine lysine phenylalanine...
Consider the following amino acids for questions 11-13. Choose the best answers. cysteine serine lysine phenylalanine aspartate Which amino acid's R group has a pKa nearest physiological pH? Which amino acid would you most expect to find in the centre of a folded globular protein? Which amino amino acid can be phosphorylated? The overall charge on the peptide (G-R-A-M-P-S) at pH 12.5 is: -1 -0.5 -1.5 +0.5 1 15. What term best describes the protein secondary structure element drawn below:...
The chemical structures of the 20 standard amino acids at pH 7, along with their 3...
The chemical structures of the 20 standard amino acids at pH 7, along with their 3 and 1 letter codes, are givern in alphabetical order below. While the oxygen and nitrogen atoms of the peptide bonds may serve as a donor atom to complex a metal ion, very often the ligands for the metal come from the amino acid side chains. Takea few moments to examine the chemical structures of the different side chains. Circle the side chains that you...
QUESTION 8 Using the altered mRNA and the genetic code, provide the sequence of amino acids...
QUESTION 8 Using the altered mRNA and the genetic code, provide the sequence of amino acids in the peptide chain created. c A G UUU UẬC Phe UUA UAU Ty lucccys UAA Stop UGA Stop A UAG Stop UGG Trp UUG Leu CUU CUC Leu CUA CCA Pro CUG CACCI CCG) ACU ACC ACA ACG sucu suco DUCU BUCO AUU AUC File AUA AUG Met GCU GCC GAC ASP GCA GUG GCG) GAG GUGGAGI GGG) Click Save and Submit to...
12. Below is a portion of the abstract of a journal article. It describes the isolation,...
12. Below is a portion of the abstract of a journal article. It describes the isolation, purification, and determination of the peptide sequence as well as, the location of each of the disulfide bridges of an antibacterial peptide from the cowpea plant. Give brief and to the point answers to the questions based upon this information. (2 pts) FEBS Joumal 273 (2006) 3489-3497 2006 The Authors Journal compilation2006 FEBS Identification of a cowpea y-thionin with bactericidal activity Octávio L. Franco,...
Question 8 Name the amino acids (full name, three-letter code, OR one-letter code) shown in the peptide. CH2 CH₂ H IL 1 H - C #M •C-N-C-C-N-c-c-N-c-c-nc-c-00 H H H 11 0 1 Н CH₂ H р CHg CH₂ CH₂ NH BIVA-A- IE * 3x X, DE ..? V GT 12pt Paragraph
Use the annotated peptide below for questions 7-8. CH2 CHz CH3 CH2 CH2 CH2 SH NH2 NH2 он 7. (2 pts) Write the three-letter amino acid code for an amino acid in this peptide that would be able to stabilize protein structures through ionic interactions at pH 7.5. If there is not an amino acid in the above peptide that meets these specifications write "N/A"-not applicable. 8. (2pts) Write the three-letter amino acid code for an amino acid in this...
1. What amino acids do the following abbreviations stand for? Draw the structure of each. a) lle b) Thr c) Gin 2. Name and draw the structures of the amino acids that fit these descriptions: a) Contains an isopropyl group b) Contains a secondary alcohol group 3. Which of the following objects is chiral? a) A pair of scissors b) A comb c) A drinking glass 4. What does the term achiral mean? Give two examples involving organic structures.. 5....
Proteins are made from chains of amino acids. The amino acids
are joined together by structures called peptide
bonds.
Draw the dipeptide that results when a peptide bond is formed
between the two glycine molecules shown here. (Figure 1) Draw it as
it would occur at the pHpH of most body fluids.
Draw the molecule on the canvas by choosing buttons from the
Tools (for bonds), Atoms, and Advanced Template toolbars. The
single bond is active by default. Include all...
Explain this question please!
Name (4 ofer to the Table of Amino Acids at the beginning of the exam to help solve this problem. Polypeptide I is a 12-mer and has the following amino acid composition: Ala, Arg, 2 His, Leu, 2 Lys, 2 Phe, Ser, Thr, Trp Edman degradation of I shows that its N-terminal amino acid is His. Chymotrypsin cleavage of I yields peptide fragments A-D.Trypsin cleavage of I gives peptide fragments E-G. Shown below is the amino...
Consider the following amino acids for questions 11-13. Choose the best answers. cysteine serine lysine phenylalanine aspartate Which amino acid's R group has a pKa nearest physiological pH? Which amino acid would you most expect to find in the centre of a folded globular protein? Which amino amino acid can be phosphorylated? The overall charge on the peptide (G-R-A-M-P-S) at pH 12.5 is: -1 -0.5 -1.5 +0.5 1 15. What term best describes the protein secondary structure element drawn below:...
The chemical structures of the 20 standard amino acids at pH 7, along with their 3 and 1 letter codes, are givern in alphabetical order below. While the oxygen and nitrogen atoms of the peptide bonds may serve as a donor atom to complex a metal ion, very often the ligands for the metal come from the amino acid side chains. Takea few moments to examine the chemical structures of the different side chains. Circle the side chains that you...
QUESTION 8 Using the altered mRNA and the genetic code, provide the sequence of amino acids in the peptide chain created. c A G UUU UẬC Phe UUA UAU Ty lucccys UAA Stop UGA Stop A UAG Stop UGG Trp UUG Leu CUU CUC Leu CUA CCA Pro CUG CACCI CCG) ACU ACC ACA ACG sucu suco DUCU BUCO AUU AUC File AUA AUG Met GCU GCC GAC ASP GCA GUG GCG) GAG GUGGAGI GGG) Click Save and Submit to...
12. Below is a portion of the abstract of a journal article. It describes the isolation, purification, and determination of the peptide sequence as well as, the location of each of the disulfide bridges of an antibacterial peptide from the cowpea plant. Give brief and to the point answers to the questions based upon this information. (2 pts) FEBS Joumal 273 (2006) 3489-3497 2006 The Authors Journal compilation2006 FEBS Identification of a cowpea y-thionin with bactericidal activity Octávio L. Franco,...
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