The process of nucleotide excision repair is controlled in Escherichia coli by the UvrABC endonuclease enzyme complex, which consists of four Uvr proteins: UvrA, UvrB, UvrC, and DNA helicase II (sometimes also known as UvrD in this complex).
O proceso da reparación por escisión de nucleótidos é controlado en Escherichia coli polo complexo encimático da endonuclease UvrABC, que consta de catro proteínas Uvr: UvrA, UvrB, UvrC, e a ADN helicase II (ás veces chamada UvrD neste complexo).