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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- Unlike saturated fatty acids, the tails of unsaturated fatty acids incorporate one or more _______. a. phosphate groups b. glycerols c. double bonds d. single bondsThis 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 IsolucineTranslate 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.Which of the following amino acids would most likely exhibit hydrophobic interaction with isoleucine? Oserine Omethionine Oglutamate threonine arginine Previous Mc=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
- 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-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.
- 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 following amino acid groups has the least propensity to be present in a beta turn? Isoleucine Serine Lysine Glutamic AcidIdentify the nonpolar amino acids and the acidic aminoacids in the following peptide:Glu-Thr-Val-Asp-Ile-Ser-Ala