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- Examine the following peptide and the inserted table, and answer the 2 questions below: Thr-Glu-Pro-Ile-Val-Ala-Pro-Met-Glu-Tyr-Gly-Lys 1. Estimate the net charge of the peptide at pH 2.0. Explain. 2. Estimate the net charge of the peptide at pH 7.0. Explain.Explain the Titration Curve of Lysine in figure 1.4 a and b pleaseeee
- NAZO NHZ Ala-Cys-Glu -Tyr - Trp - Lys - Arg - His -Pro-G ly Glu pka 4.15 SH Tyr 10.10 Draw Charges Lys 10.67 Olt A3 12.10 +NH₂ Ntrm 2) Calculate net charge 3) write out I letter code 300 Ctim 3 juli of peptich (above) Ⓒ pH; 1,7,12ok-Personal Microsoft Edge com/maildeeplink 021 pdt Download Print Save to OneDrive 1. Draw the structure of the pentapeptide Gln-Trp-His-Glu-Tyr that would predominate in aqueous solution at pH3D10.3. (Relevant pka values are: 2.2 4.3, 6.0, 9.8, and 10.1) Acp is adiusted to1. Lactoferrin is an iron-binding glycoprotein that forms the antibiotic fragment lactoferricin during digestion. The protein was isolated from 1.5 liters of ewe skim milk by successive ammonium sulfate precipitation until a final salt concentration of 70% was obtained. Determine the amount (in g) of powdered ammonium sulfate needed in bringing the solution from (a) 0% to 40% saturation and (b) 40% to 70% saturation assuming that the volume remains constant. Initial concentration of (NH4)2SO4, % saturation 0 10 20 30 40 50 60 70 80 90 10 55 Final concentration of (NH4)2SO4, % saturation 30 40 50 60 70 80 Grams of solid (NH4)2SO4 to be added to 1 L of solution 176 242 314 390 472 561 657 117 405 491 584 59 421 351 438 20 113 57 182 121 61 251 325 63 188 126 195 130 65 260 337 270 202 281 135 67 210 140 70 90 761 685 511 609 533 365 292 219 146 HUGH LATLE 100 73 457 381 305 228 152 76