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Chapter 25: Problem 58

Write a chemical equation for the formation of methionyl glycine from the constituent amino acids.

Short Answer

Expert verified
\(C_5H_{11}NO_2S\) (Methionine) + \(C_2H_5NO_2\) (Glycine) -> \(C_7H_{14}N_2O_3S\) (Methionyl glycine) + \(H_2O\) (Water)

Step by step solution

01

Identify the constituent amino acids

Methionyl glycine is a dipeptide formed from the condensation of methionine and glycine. Methionine has the chemical formula \(C_5H_{11}NO_2S\) and glycine has the formula \(C_2H_5NO_2\).
02

Write the condensation reaction

The condensation reaction involves the formation of a peptide bond between the carboxyl group of methionine and the amino group of glycine, with the release of a water molecule. The general form of a condensation reaction between two amino acids can be written as: Amino Acid 1 (AA1) + Amino Acid 2 (AA2) -> Dipeptide (AA1-AA2) + Water For our specific case, this is: Methionine + Glycine -> Methionyl glycine + Water
03

Write the full chemical equation

Now, we can plug in the chemical formulas of methionine, glycine, methionyl glycine, and water to write the full chemical equation: \(C_5H_{11}NO_2S\) (Methionine) + \(C_2H_5NO_2\) (Glycine) -> \(C_7H_{14}N_2O_3S\) (Methionyl glycine) + \(H_2O\) (Water)

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