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DNFB is used in O Edman degradation as a peptide-cleaving reagent Sanger degradation as a residue...
Based on the peptide YDCM, which residues are determined via
Edman degradation?
Item 2 Part A Based on the peptide YDCM, which residues are determined via Fdman degradation? Y only Monly OD and o all of them
Part A Based on the peptide YDCM, which residues are determined via Sanger degradation? Y only O Monly D and C all of them
Amino acids are useful building blocks for peptide synthesis. However, due to several reactive sites, protecting groups are used to direct regioselective synthesis. Below is the structure of an amino acid with a protecting group. H2N COOH Identify the protecting group. Which reagent was used to install this protecting group? Which reagent is used to remove this protecting group? Fmoc Benzyl chloroformate Boc 9-Fluorenylmethyl chloroformate amide 0 O O O TFA Piperidine DCC H2, Pd/C acetal Di-tert-butyl dicarbonate Acetic anhydride...
Shown is the active site if carboxypeptidase. Carboxypeptidase
is a protease that works to hydrolyze the first peptide bond of a
polypeptide, cleaving away the N-terminal residue from the rest of
the chain. A substrate is shown in the diagram. The orange square
shiwn indicates the bond that will be hydrolyzed.
a) put a square around the atom that will act as a nucleophile
in the first step of the mechanism.
b) put a triangle around the atom that will...
Sanger's reagent is used A) to determine the amino acid sequence of a peptide. B) to determine the C-terminal amino acid of a peptide. C) to determine the isoelectric point of a peptide. D) to determine the number of amino acids in a peptide. E) to determine the N-terminal amino acid of a peptide. Ninhydrin is used A) to determine the N-terminal amino acid of a peptide. B) to sequence amino acids in a peptide. C) to detect amino acids...
- Part A Regarding the strategy of peptide synthesis, which statement is true? o The N-terminal amino acid is protected using a t-BOC group. o The N-protected amino acid is activated using DCCD. o The reaction of the second amino acid with the first proceeds by way of nucleophilic acyl substitution o Removing the protecting group drives the reaction to the completion o All of the above Submit Request Answer Provide Feedback
Protecting groups are used in synthesis when a starting material contains multiple reactive sites. This neutralizes one of the reactive sites and makes it inert to the reaction conditions. The protecting group can then be selectively removed to re-form the reactive site. Analyze the molecule below and answer the three questions. H3 C CH3 SCH BV сна CHI ntify the protecting group. Which reagent was used to install this protecting group? Which reagent is used to remove the protecting group?...
Please explain what is going on in this lab for STEP 3. what
are some important factors?
Multistep Synthesis Preparation of 4,4-Diphenyl-3-buten-2-one! This experiment illustrates se multistep synthesis, in which the the next. This process is very common iment illustrates several important concepts of organic synthesis. It is a synthesis, in which the product of one reaction becomes the starting material of This process is very common in industry and research, and demands careful to vields and techniques. The experiment...