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- .1 Given structures (Betaxlol) and (Timolol), which one would be a better choice topically to treat glaucoma in a patient with a history of asthma? Provide a SBTE for your answer. cr 0- CH2-CH-CH2-NH2-CH(CH3)2 -H2C-0-H2C-H2C- ÓH (Betaxolol) -00, c=C, H H -o-CH2-CH-CH2-NH2-C(CH3)3 (Timolol) OHNAZO 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; 1,7,12Which of the following shows the reaction by which valine and leucine form a peptide bond H. H. H O -COO H2N-C-C-NH- C- C-OH + HO CH2 CH,SH ČH3 А. C. CH(CH)2 H. HN-C-C-NH-C- C-OH H,N-CH-C- + H,O HC-C-H CH2 CH2 H CH3 CH H,C-C-H CH(CH3)2 CH В. D.
- The amino acid arginine ionizes according to the following scheme: NH, NH2 NH2 H NH, C=N C=N C=N C=N-H pk = 2.17 -H pK. = 8.99 -H pK = 125 -H* H. NH NH NH NH H (CH,)a H (CH), +H* (CH)a (CH,)a H,N-C-coo- +H* +H* H-N*-C-COOH H-N-C-Co- H,N-C-co- H. нн H. H II II IV (a) Calculate the isoelectric point of arginine. You can neglect contributions from form I. Why? (b) Calculate the average charge on arginine when pH = 9.20. (Hìnt: Find the average charge for each ionizable group and sum these together.) (c) Is the value of average charge you calculated in part b reasonable, given the pl you calculated in part a? Explain your answer.а. b. trans-cyclodecene (R)-cysteine HS. or or (S)-cysteine С. d. [4.3.1]Bicyclodecane (E)-isomer or or (Z)-isomertue 16. Identify the molecule below H H H-N-C- C ОН CO ovo -CIR
- Part C The L isomer of H-C-OH H-C-OH H-C-OH О CHO О О О CH₂OH OH OH OH OH OH Submit OH ОН OH O OH OH O. OH OH OH O OH OH OH OH OH OH OH Request AnswerIdentify the sequence'of the peptide below. C-N-CH-COOH C-N-CH- H H CH- H,N*-CH-Ċ-N-CH-Ċ-N-CH-Ö-N-CH-Ċ- H CH, CH2 ČOOH H CH, H CH, H CH, CH, CH, CH2 *NH, H CH, он CH, SH S CH, O CAEKGSM O MSGKEAC O CAKEGMS O KEACMSGThe primary structure of b-endorphin, a peptide containing 31 amino acids synthesized by the body to control pain, is shown here: Tyr-Gly-Gly-Phe-Met-Thr-Ser-Glu-Lys-Ser-Gln-Thr-Pro-Leu-Val-Thr- Leu-Phe-Lys-Asn-Ala-Ile-Ile-Lys-Asn-Ala-Tyr-Lys-Lys-Gly-Glu What fragments are obtained as a result of treatment with trypsin?
- The primary structure of b-endorphin, a peptide containing 31 amino acids synthesized by the body to control pain, is shown here: Tyr-Gly-Gly-Phe-Met-Thr-Ser-Glu-Lys-Ser-Gln-Thr-Pro-Leu-Val-Thr- Leu-Phe-Lys-Asn-Ala-Ile-Ile-Lys-Asn-Ala-Tyr-Lys-Lys-Gly-Glu What fragments are obtained as a result of treatment withcyanogen bromide?g) (CH3)₂ - CH₂ -CH-COOH + CH₂-CH-COOH -H₂O NH₂ OH NH₂ 4. Write the equation for the digestion (hydrolysis) of Phe-Asp-Ala. €Lefer to the figure showing the molecular structure of dimethylmercury. H–C-Hg C-H H. Exposure of human skin to a single drop of dimethylmercury can lead to death, as it is highly poisonous and passes easily cell membranes. Based on its structure, why is it able to pass so easily through cell membranes? I-0-I IICIH