Amino group

... regarding mimicing of protein phosphorylation. Changing a serine (Ser) amino acid residue to aspartic acid (Asp) or glutamic acid (Glu) supposedly ... 2. Is it simply mimicing because the presence of the -COOH group in Asp/Glu is similar to a phosphate group? 3. Can Asp/Glu mimic threonine ...

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Not quite all the answer. Understand that proteases refers to a large group of enzymes - each of which has a specificity - based on amino acid sequence, charge, size, etc. For example trypsin cleaves peptide chains at the carboxyl ...

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... TAC: Methionine CCT: Glycine TCG: Serine CGT: Alanine 1. Write down the amino acid sequence coded for by a piece of messenger RNA with the following ... what... 1) may contain the base uracil: mRNA, tRNA 2) Contains groups linked by hydrogen bonds: DNA, mRNA, tRNA 3) Contains a 5-carbon sugar: ...

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... sure i figured it out...becuase of the pH values in cells, the carboxyl group and amino group are ionized so the carboxyl group loses a proton and the amino group gains one.

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... probably a stupid question but...In a peptide bond, does the carboxyl group of the amino acid donate an O and H+ and then the other amino acid donates one H+ from the amino group? ...

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