Question

What is the prokaryotic homologue of XPC?

(a) RAD 51

(b) RAD 10

(c) RAD 23

(d) RAD 50

I had been asked this question during an interview.

Query is from Repair of DNA Damage: NER, Direct Reversal topic in division DNA Mutation, DNA Repair, Transposable Elements of Cytogenetics

Answer 1

Right answer is (c) RAD 23

For explanation: In eukaryotes, XPC works in conjugation with hHR23B which is simply the human homologue of RAD 23. RAd 51 is involved in DSB repair.