Parts of the mechanism for lysozyme are shown below. The catalytic lysozyme residue side chains can be identified asbeing above and below the polysaccharide chain shown at point A. Complete the missing structures (points B and E)and curly arrows (points A, B, C, D and E) in the mechanism, as well as from the knowledge you have gained, label thecatalytic amino acids at point A in your mechanism with their correct name and residue number.AOHROHO-RH₂C-HONHACNHACERDOHBRCHROH3C-°H₂C-NHACYROHNHACRR

Lysozymes cleave the glycosidic bond between N-acetylmuramic acid (Mur2Ac) and N-acetylglucosamine…

Answered: Parts of the mechanism for lysozyme are…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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What would the order of migration be (bottom to top in the gel) in a SDS-PAGE for the following proteins? Concanavalin A (ConA) (a homotetramer of 106 kDa), lysozyme (a monomer of 14.3 kDa) & horse liver alcohol dehydrogenase (ADH) (a homodimer of 80 kDa). a. ADH, ConA, lysozyme b. ConA, ADH, lysozyme c. Lysozyme, ADH, ConA Od. Lysozyme, ConA, ADH
1. A) Explain this statement, “Most enzymes are gene-encoded proteins, but most enzymes are not only protein". B) You recently isolated a new enzyme in your lab, and you named it "lipidase 1120". As a temporary name, this is fine. Who is responsible for assigning a formal name, and on what criteria will that name be assigned?
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(c) On the right is a diagram of the ac tive site of E. coli aspartate aminotrans- ferase illustrating the cofactor pyridoxal phosphate (labeled PLP) with the dicar- boxylic acid maleate (labeled MAL) bound in the active site. The structural formula of maleate is shown on the right. Am 194 MAL Arg292 Arg386 Ilx17 Lauf 'coo- H get H Coo- Maleate (c1) Draw the structure of L-aspartate and draw a border around the atoms in the amino acid that maleate simulates. (c2) Identify the active site residues that make hydrogen bonds and electrostatic interac- tions with the oxygen atoms of the carboxylate groups of maleate in the diagram above. Identify the carboxylate groups according to the numbering in the diagram of maleate above. Indicate the hydrogen donor groups of the active site residues. (C3) Compare and draw the structures of L-Arg and L-Lys. On the basis of the diagram why does replacement of an arginine for a lysine have an effect on substrate binding to AspAT? (c4) Of the mutant…
Compare and contrast the biological roles of the following amino acids the following pairs ofamino acids. Once you have documented these role state which member of the pair is most important and why.
The catalytic triad consists of Asp, His, and Ser. What would be an alternative for histidine and how would we draw the interactions in a mechanism?
Small molecules are used as inhibitors of protein action - as drugs. They most often do this by blocking the active site within the protein. Potential drugs can be screened computationally to determine if they are strongly bound to the protein. Figure 1 shows a possible conformation of a candidate drug molecule, 4-bromo-2- carboxymethylamide-pyrrole (abbreviation: BCMAP) at the active site of a protein (abbreviation: PR). Figure 2 shows the full protein structure whilst figure 3 shows a known inhibitor of the protein at the site, overlayed with another calculated conformer of BCMAP. (a) Explain what types of interactions, both intermolecular and intramolecular, that a molecular mechanics forcefield must be able to describe in order to be able to accurately determine the geometry of BCMAP in the protein. Identify which interactions will be the most important to describe accurately. Figure 1.4-bromo-2-carboxymethylamide-pyrrole (BCMAP) (C, N, O, and Br atoms in yellow, blue, red, and…
The last residue of the protein (tail) is Tryptophan, and the first residue (head) is labeled with IAEDANS acceptor. Estimate the length of the protein (head to tail) if the efficiency of RET measures at 0.01 Please show step by step and how to get the 34.014 number
The biosynthetic pathway for the two amino acides E and H is shown schematically in the Figure below: A W E 2 Z H How would this pathway change if C was mutated and non-functional?
Can you please describe the specific components that each of these structures are comprised of ( alpha helices and beta sheets) in more detail? Also, what do the different colors represent? Your reply will be greatly appreciated. The ligand that was assigned to me is tadalafil.
Please answer the following questions 1) based on the structures of adenine, cytosine, guanine, and thyme. Why does A prefer to bind to T and C prefer to bind to G 2) were the binding energies the same for AT and CG? Explain the difference 3) which of the four know bases is the unknown synthetic base most like in terms of its binding characteristics? What does this indicate about its structure? 4) if the unknown synthetic base was used to study DNA replication, which natural bases would it interact with? 5) is the picture question

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