Задание 6
Сколько различных трипептидов может образоваться при сочетании трёх аминокислот (по выбору)? Составьте уравнения соответствующих реакций.
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ОтветИз трёх аминокислот может образоваться шесть трипептидов:
H2N–CH2–COOH + H2N–C2H5–COOH + H2N–C3H7–COOH ⟶ H2N–CH2–CO–NH–C2H5–CO–NH–C3H7–COOH + 2H2O
H2N–CH2–COOH + H2N–C2H5–COOH + H2N–C3H7–COOH ⟶ H2N–CH2–CO–NH–C3H7–CO–NH–C2H5–COOH + 2H2O
H2N–CH2–COOH + H2N–C2H5–COOH + H2N–C3H7–COOH ⟶ H2N–C2H5–CO–NH–CH3–CO–NH–C2H7–COOH + 2H2O
H2N–CH2–COOH + H2N–C2H5–COOH + H2N–C3H7–COOH ⟶ H2N–C2H5–CO–NH–C3H7–CO–NH–CH2–COOH + 2H2O
H2N–CH2–COOH + H2N–C2H5–COOH + H2N–C3H7–COOH ⟶ H2N–C3H7–CO–NH–CH2–CO–NH–C2H5–COOH + 2H2O
H2N–CH2–COOH + H2N–C2H5–COOH + H2N–C3H7–COOH ⟶ H2N–C3H7–CO–NH–C2H5–CO–NH–CH2–COOH + 2H2O