Examining the following peptide sequence, it is determined to be phosphorylated. -WQRYGLK- Which amino acid is likely carrying the phosphate? O Lysine O Arginine O Leucine O Glutamine O Glycine O Tyrosine O Tryptophan
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- Consider the following peptide sequence: Lys-Leu-Ile-Cys-Lys What is the net charge of this sequence at physiological pH? a. -2 b. +1 c. 0 d. -1 e. +2Given the peptide Val-Ser-Gln-Lys The lateral chain of one of these amino acids can be modified by N-acetylation. Write the semi‐developed form of the lateral chain of this modified amino acid at pH 7 The lateral chain of one of these amino acids can be modified by phosphorylation. Write the semi‐developed form of the lateral chain of this modified amino acid at pH 7.Which of the following is an example of an unacceptable missense? a. HbA is converted to Hb Hikari, where the beta chain Lysine at #61 is replaced by Asparagine. b. Hb A, is converted to Hb M (Boston) where the alpha chain Histidine at #58 is replaced by Tyrosine. c. Hb A is converted to Hb S, where the beta chain Glutamate at #6 is replaced by Valine.
- Which amino acid residue is preferred at which position in the following peptide for cleavage by cyanogen bromide (CNBr)? methionine at R2 lysine at R1 methionine at R1 lysine at R2Illustrate the pathways to synthesize the following aminoacids:a. glutamineb. serinec. arginined. glycinee. cysteineWhat is the net charge of the following peptide at a pH@5: Cys-His-Glu-Met-Ile-Ser-Thr-Arg-Tyr
- Identify one mistake that was introduced in the following figure. True or false? The first few amino acids (Met-Asp-His) shown in this figure correspond to the signal peptide. Justify your answerUse an arrow to draw the site for cleavage for the following peptides reacted by trypsin. Explain comprehensively.Which out of the following amino acids carries a net positive charge at the physilo PH: A) Non of the following. B) Isoleucine C) Leucine D) Valine
- Given the peptide Lys-Glu-Trp a) Draw the appropriate titration curve for this peptide. Label X and Y axis b) On the graph use X to mark point at which peptide have 0 net charge and Y to mark point where peptide have positive 1 net chargeDraw the peptide at a pH @1 of Cys-His-Glu-Met-Ile-Ser-Thr-Arg-TyrA portion of an unknown enzyme has the amino acid sequence serine – phenylalanine – glutamate – lysine. The DNA code for the amino acid sequence of this unknown enzyme is Select one: a. UCG AAA CUC UUU b. AGT AAG GTT TTC c. AGA AAA CAA ATA d. AGC AAG CTC TTC