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A: In the first step their is answer of first four molecules as follows:
What is the method of MS protein quantification presented here?
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- Configurational antrapy Molten globules Clusters of frustrated contacts Functionally siatinet states B Which is the site of folded proteins O A BThe peptlde bradykinln is a nonapeptlde. Give the name of the peptide (shown below) by namlng the amlno aclds from the N-terminal to the C- terminal. Use the long name, the 3-letter abbreviation and the 1-letter abbreviation. What is the pl of this peptide? Name Compositon Fxnction LOcalizatio Bradykinl Inflammatio Different n and H N vasodilation Cells HNH n Animal H. HNH H NH он HN N HOI. A protein, X, was Isolated from a pathogenlc mlcroorganism. The proteln Is a vlrulence factor whose path0genlclty lies In a heptapeptide of unknown sequence. After trypsin cleavage of the heptapeptide from protein X, the peptlde's compOsition and sequence was determined. The fOllowing were the results of the sequenclng process: 1. When the peptide was treated with dinitrofluorobenzene (DNFB), DNP-asp and a mixture of amino acids were produced. 2. When the same Intact peptide was treated with streptococcal protease, a pentapeptide of composition asp, asN, cys, gly and ser and 2 amlno acids were released. 3. When the heptapeptlde was also treated with hydrOxylamine HCI, a tripeptide and a tetrapeptide were obtained. The C-terminal amino acid of the tripeptide was asN. 1) What is the sequence of the heptapeptide if it is composed of cys, asp, lys, asN, gly and ser only? 2) What is the pl of the heptapeptide?
- What is the difference between Lamin A protein and progerin? briefly describe the difference in their functions ( three sentences or less) Proteoglycan aggregates in tissues form hydrated, viscousgels. Can you think of any obvious mechanical reason whytheir capacity to form gels is important to cell function?[Hint: Liquid water is virtually incompressible.]tled document DO A Sh Edit View Insert Format Tools Add-ons Help Last edit was s.. A P 100% Normal text Verdana 10 ... 4 5 1 I I Spaced practice question: Consider a membrane protein and its chemistry. Which of the following would describe a channel protein? It is an inorganic compound. It is an example of a globular (functional) protein. It is stable when exposed to an acidic environment. It is an example of a fibrous (structural) protein.
- Cleavage Ligand Precursor Receptor Inactive Receptor Active Cell Membrane 6. The figure above shows a model of a ligand precursor being cleaved to produce an active ligand that binds to a specific receptor. Which of the following is most likely to reduce the binding of the active ligand to its receptor? (A) A change in the cytoskeletal attachment of transmembrane proteins (B) The presence of a large amount of the precursor form of the ligand (C) An increase in the ratio of the number of unsaturated to the number of saturated fatty acid tails of the membrane lipids (D) A mutation in the receptor gene that causes a substitution of a charged amino acid for a nonpolar amino acid in the ligand binding site of the receptorsars-coV-2 spike protien what is the isoelectric point of this peptide? VGIYLQKTSDHRPEFALAMN.A protein gives a single band on SDS gel electrophoresis, as shown in lanes 1 and 2 below. There is little if any effect from adding
- Sars-CoV-2 spike protein: VGIYLQKTSDHRPEFALAMN What is its isoelectric point of this peptide?(c) The tube and cylinder diagram to the right illus- trates schematically the potassium channel protein from a bacterium. This channel protein consists of four identical polypeptide chains each comprised of 119 residues. The cyan ribbon illustrates only two of the polypeptide chains. The relative positions of 4 α-helices, one from each poly- peptide chain, are shown as cylinders. The red sphere in the central part of the diagram shows the position of a potas- sium ion identified by X-ray structure analysis. A cesium ion (green sphere) was also found to be stabilized in the same position when cesium chloride was introduced into the crys- tals. The cylinders each represent an α-helix running from Tyr62 to Thr74. Considering the position of the potassium ion, in- dicate on one of the cylinders at which end of the cylinder residue Tyr62 is found and at which end residue Thr74 is found. Explain the basis of your answer? Ala23 Thr119 (d) The N- and C-terminal residues of one of the…[protein] volume [protein] [protein] in to Sample Lysate in "gel- load 5 in 20 protein in Name volume assay* lysate ready" ul sample protein 3.9 2 µl Hg/ml Tilapia 19.9 10 μι Hg/ml 18.2 2 µl Hg/ml Cod >20 14 10 μι Hg/ml 9.4 15 2 µl ug/ml Sole >20 6. 10 μι ug/ml > >