Describe the amino acid composition in terms of the general characteristics and comment on what the amino acid composition tells you about likely cellular location of the protein.
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Describe the amino acid composition in terms of the general characteristics and comment on what the amino acid composition tells you about likely cellular location of the protein.
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- [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 > >.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 addingBeer's Law to determine Protein Concentration You have purified a recombinant form of the p53 protein from E. coli and determined the A280 to be1.35. Calculate the molar and mass concentration of the purified protein if the extinction coefficientand molecular weight of p53 is 35,410 M-1 cm-1 and 43,653 Da, respectively (l = 1 cm).
- Cell wall bullding block D-Ala-D-Alal-Lys-tail NH,Me Heptapeptide backbone R1 R. R2 ii) With the aid of the figure above showing the important features of the binding of Vancomycin (lower part) to a bacterial cell wall peptia discuss the antibiotic effect of Vancomycin. i) Vancomycin resistant strains often have a mutation in which one of the D-Ala moieties is exchanged to a D-lactate moiety. Discuss why this mutation makes the strain Vancomycin- resistant but still viable. iv) Glycoconjugate vaccines based on bacterial capsular polysaccharides have been used for 30 years without any need for changes in their structures, while the flu vaccine, based on attenuated or killed virus particles, requires many different structures and a check each time when there is an epidemic that the right vaccine is used. Discuss the reason behind this.- 1 attachment If a pure line wheat plant with a colored kernel (geniotype = DDEE) is crossed to plant with white kernels (genotype = ddee) and the resulting. F1 plants are selfed, a modification of the dihybrid 9:3:3:1 ratio will be produced. What is the biochemical explanation for the genotypes: (a) D_E_ and (b) D_ee ? A. Presence of functional enzymes from both genotypes (a) and (b) B. Presence of functional enzymes from genes in (a) C. Absence of a functional enzyme from the D gene pair D. Presence of functional enzymes from genes in (a) and absence of a functional enzyme from the D gene pair in (b) E. None of the above.Marker Proteins Molecular Weight (daltons) Distance 132,000 66,000 43,000 14,400 Serum Albumin (Dimer) Serum Albumin (Monomer) 23mm 32mm Ovalbumin 39mm 60mm Lysozyme Unknown 1 26mm Unknown 2 58mm Rabbit serum (albumin) 33mm 1.On semilog paper (provided below) plot the distance migrated by each standard protein as a function of molecular weight. Determine the molecular weight of the unknown proteins and the major protein found in rabbit serum (albumin) from this calibration curve. ii) Interferon is a protein of 25,000 Dalton. How far would it have migrated, land it been included in this experiment? iii) The average amino acid residue in a protein has a molecular weight of 120 Daltons. Assuming that your unknowns are average, how many amino acid residues do they contain
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- Two co-op students at your start-up company have been asked to evaluate the rate of reaction occurring in a transparent gel particle containing immobilized mouse melanoma cells. The equation for the reaction rate ris is: Vmax T'As Km+CAs where R=3.2 mm, Vmax= 0.12 gmol s' m3, CAS = 41 gmol m3, and Km=0.8 gmol m3. One student reports a reaction rate of 1.6x10 gmol st; the other reports 1.6x10 1º gmol s1. You left your calculator on the bus this morning, but must know quickly which student is correct. Use an order-of- magnitude calculation to identify the right answer. Which student is correct?The protein fragments ABS1 and ABS2 of tropomodulin were produced as fusion proteins with chitin binding domain and purified by a chitin column. Explain the principles of this type of affinity chromatography and support it with a self‐drawn figure. This is with regards to Tropomodulin/ F-Actin complex.At 1.4 mg/mL pure tubulin, microtubules grow ata rate of about 2 μm/min. At this growth rate, how manyαβ-tubulin dimers (8 nm in length) are added to the endsof a microtubule each second?