Which of the following amino acids is not part of tetramer that is bounded to NAM and glycine? L-Glu D-Ala L-lys D-Glu L-Ala
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Which of the following amino acids is not part of tetramer that is bounded to NAM and glycine?
L-Glu |
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D-Ala |
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L-lys |
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D-Glu |
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L-Ala |
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- This amino acid is called COOH CO0 CO0 H3N-CH H,N-CH H&N-CH H2N-CH CH2 pK, CH2 CH2 pKR CH2 pK2 CH2 CH2 CH2 CH2 СООН СООН CO- IV Histidine Glutamic acid Aspartic acid Valine IsolucineWhich of the following amino acids would most likely exhibit hydrophobic interaction with isoleucine? Oserine Omethionine Oglutamate threonine arginine Previous MTranslate the following amino acid sequence into one-letter code: Glu-Leu-Val-Ile-Ser-IleSer-Leu-IleVal-Ile-Asn-Gly-Ile-Asn-Leu-Ala-SerValGlu-Gly-Ala-Ser
- The dynorphins are a group of opioid peptides that play an important role in changes in the brain associated with cocaine addiction. One of these peptides, dynorphin A, contains the following amino acid sequence: Tyr–Gly–Gly–Phe–Leu–Arg–Arg–Ile–Arg–Pro–Lys–Leu–Lys. Draw the amino acids and peptide fragments formed when dynorphin A is treated with each reagent or enzyme: (a) chymotrypsin; (b) trypsin; (c) carboxypeptidase; (d) C6H5N=C=S.Use circles to represent amino acids in the polypeptide shown below. OColor each amino acid using the color scheme: polar, basic amino acid = blue; polar acidic amino acid = red; non-polar amino acid = yellow H3N*-ala-ile-trp-arg-gly-ala-his-tyr-trp-gly-gly-tyr-arg-ile-val-thr-ile-trp-cys- met-gly-ile-asp-cys-thr-glu-cys-trp-gly-cys-phe-arg-his-pro-val-phe-Co-c=0 OH CH2 H CH2 H CH, H. H-Nt CH' CH N. CH CH CH' H CH CH3 H CH H CH2 CH, CH, CH2 CH2 CH3 CH2 CH2 * NH3
- for the following amino acids below circle the r groups then tell me if they are polar or nonpolarIn the following scheme: HH, H₂C-C-C-Coo II HO H • NH, 1 H₂C-C-C-C000 H 2-Amino-3-ketobutyrate ↓ O H,C-C-CH₂-NH₂ Aminoacetone 0 0 H₂C-C-C-H Methylglyoxal H H₂C-C-COO OH D-Lactate O H₂C-C-C000 Pyruvate What molecule is being metabolized? Identify the reaction at each step. If it is an oxidation-reduction prove this is correct by showing oxidation state changes on the atoms in the structure.Which of the following amino acid groups has the least propensity to be present in a beta turn? Isoleucine Serine Lysine Glutamic Acid
- Amino Acids Cys A lanine CH2 SH Leucine Isoleucine Leu Ser As partil acia Gly Sev Leu Serine Isolcucne valine -citz pn Val CHziPr -Me Asparti -CH2 SH -CH2 Ph Acid pnerinl Esoleucine alanine Gly Ala Glycine 1 Alanine А Ala -Me 2 Cysteine C Сys -CH,SH 3 Phenyl alanine F Phe -CH,Ph 4 Leucine L Leu -CH,iPr 5 Aвpartic Acid D Asp -CH,CO,H Glycine Gly -H Serine Ser -CH¿OH 8 Valine V Val -CH(Me); 9. Isoleucine Ile -CH(Me)EtWhich of the amino acids will nearly always be found buried in the center of proteins? valineglycinelysineglutamic acidIdentify the nonpolar amino acids and the acidic aminoacids in the following peptide:Glu-Thr-Val-Asp-Ile-Ser-Ala