The pol III beta subunit is a ring-shaped clamp that embraces DNA in a central 3

Question

The pol III beta subunit is a ring-shaped clamp that embraces DNA in a central 35 Å hole, tethering the remainder of pol III to the template.

The pol III beta subunit is a ring-shaped clamp that embraces DNA in a central 35 Å hole, tethering the remainder of pol III to the template.

Which of the following accurately describes the structure of the DNA polymerase III beta subunit sliding clamp protein?

The pol III beta subunit is a ring-shaped clamp that embraces DNA in a central 35 Å hole, tethering the remainder of pol III to the template.

Explanation / Answer

The answer is - It's a homodimer with monomers arranged head to tail (N--C-->N--C-->).

The beta clamp subunit of DNA polymerase III is a homodimer with monomers arranged head to tail (N--C-->N--C-->). That is the N terminus interacts with the C terminus.

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