Question

ping pong mechanism is exhibited by​

Answer 1

Answer:

The Mechanism. Ping-pong mechanism, also called a double-displacement reaction, is characterized by the change of the enzyme into an intermediate form when the first substrate to product reaction occurs. ... This image shows that as substrate A binds to the enzyme, enzyme-substrate complex EA forms.

Answer 2

Answer:

The answer is Option D

Explanation:

Ping-pong mechanism

       Non-sequential mechanism is also known as the “ping-pong” mechanism is characterised by the change of the enzyme into an intermediate form. The reaction proceeds with the release of one or more products between the additions of two substrates.

• The ping-pong mechanism operates in a non-sequential manner. After the first substrate is bound, a product is released. Before the second substrate is bound, a product is seen. Two, binding the first substrate causes the enzyme to transform into an intermediate form capable of binding the second substrate.

• The enzyme aspartate aminotransferase catalyzes the transfer of an amino group from aspartate to a-ketoglutarate. After aspartate binds to the enzyme, the enzyme accepts aspartate’s amino group to form the substituted intermediate.
• The first product, oxaloacetate, departs after that. Glutamate is released as the final product after the second substrate, a-ketoglutarate binds to the enzyme and accepts the amino group from this modified enzyme.

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