An incomplete structure of a porphyrin ring is shown below. The structure is missing three pi bonds and does not show the non-zero formal charges on two atoms. Complete the structure of the porphyrin ring with the missing pi bonds and formal charges. DC 20 z 0 +1 H HUNOSU- Br
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- Consider the structure shown below. он 3 5 CH; O CH, O H CH; O 1 H-N-CH,-C-N-CH;-C-N-CH-C-N-CH-C-N-CH-C-ơ 2 H. H H Fill in the blank with an integer (1, 2, 3, 4, 5..) as shown in the diagram or to represent a specified number. A hydrophilic side chain is indicated by the numberDraw dipeptide Arg-Thr at pH 6.0. Circle the six atoms that are restricted in one plane. Calculate its approximate pI assuming pKa for NH3+ is 10.0, pKa for COOH is 3.0, PKR for Arg is 12.0Using the generic structure shown, indicate what the substituents are for the structure of finerenone (R1, R2, R3, for Ar indicate R6, R8, R9, R10, for D indicate R4). R1 R2 R3 = For Ar: R6 R8 = R9 = R10 = For D: R4= Finerenone: H₂N HC Generic formula: H₂N 230 R+ 'R'. R$ of
- Consider the following dipeptides: AC HE TG LR VK How many of the dipeptides in this group that would stick to an anion exchange column at pH-8? Please give me the whole number as the answer, 0, 1, 2 etc Amino Acid pKac pKaN pKaR 9.8 9.9 97 2.4 Glycine Alanine 23 Valios 222Psilocybin is a natural product of psychotropic "magic" mushrooms and has the Following structure: HO HO O=0 Psilocybin The pK a Of the first phosphate oxygen is 1.3, the pK. Of the second phosphate oxygen is 6.2, And the pKa Of the tertiary amine is 10.4. What is the average charge of psilocybin when Dissolved in your carbonic acid buffer of pH=6?Quinine ( C20 H24 N2 O2) is the most important alkaloid derived from cinchona bark. It is used as an antimalarial drug. For quinine, pK, = 5.1 and pK, = 9.7 ( pKp = – log Kp). Only 1 g quinine will dissolve in 1920.0 mL of solution. Calculate the pH of a saturated aqueous solution of quinine. Consider only the reaction | Q+ H2O= QH+ + OH- described by pK, where Q = quinine. pH =
- Based on the following titration table of Glycine, would you be able to recreate the same for Histidine? Glicina Increasing pH H-N-CH,-COOH -H-N-CH,-co = H-N-CH,-C00- Net charge: +1 pH COOH-pKa = 2.3 NH3-pka = 9.6 CN AEq +1 +1 2.3 (0.5°-1)+(0.5°0)=-0.5 +0.5 0.5 9.6 -1 (0.5*+1)+(0.5°0)=+0.5 -0.5 1.5 14 Given that the pKas for Histidine are the following: pka1 = 1.82 pKa2 = 9.17 pКаз %3 6.00 pL = 7.59 2.The 3 proteins have the following properties. Which is the correct order of steps to extract them? + ethyl acetate, + (NH4)2SO4 at 20% saturation, centrifugation, + detergent (Triton X), buffer the lysate (pH=10), centrifugation, collect precipitate + ethyl acetate, + detergent (Triton X), + (NH4)2SO4 at 20% saturation, centrifugation, buffer the lysate (pH=10), centrifugation, collect precipitate + 1 M NaCl, + detergent (sodium dodecyI suIfate), centrifugation, +(NH4)2SO4 at 60% saturation, buffer at pH 7, centrifugation, collect precipitate + ethyl acetate, adjust pH to 7.3, centrifugation, collect supernate, +detergent (Triton X) to precipitate, +(NH4)2SO4 at 30% saturation, centrifugation, collect precipitateIn the following monosaccharide hemiacetal, identify the anomeric carbon atom. Identify the appropriate atom by selecting an atom and assigning it a map number of 1. To do this, rigl mark to enable the Map field before entering a value. H: 122 EXP" CONT. 0 0 H но OH S Br OH [1] ÓH P. -
- Consider the structure of the tripeptide (in its fully protonated form) below. H H H + I || H₂N-C-C-N-C-C-N-C-C-OH 1 I | H CH₂ H CH₂ CH₂ T C=O OH AA1 0=0 || HC-CH3 CH3 AA2 AA3 0=C 1. Give the sequence of the tripeptide using the ONE-LETTER DESIGNATION (UPPERCASE LETTER) with NO spaces and symbols between each letter. 2. How many ionizable groups are there in the tripeptide? Give the numerical value (e.g., 10 not ten). • pH 10: {Choices: -2, -1, 0, +1, +2} 3. Which amino acid residue has one ionizable group left upon forming the tripeptide? {Choices: AA1, AA2, AA3, none, all} 4. Give the net charge of the dominant structure of the tripeptide at the given pH values. The pK, values of the amino acids are given in Table 1. • pH 4: {Choices: -2, -1, 0, +1, +2}What type of glycosidic bond is shown below, α or β?Draw the structures of the following compounds. (Includes both new and old names.) 3-cyclopentylhexan-3-ol