In E. coli and in H. pylori, this protein is the first to recognize DNA fragments that need to be repaired 70, 71. Mutant strains of this gene do not survive in ultraviolet light and recombine less often 72.
Tanto en E. coli como en H. pylori, esta proteína es la primera que reconoce los fragmentos de ADN a reparar 70, 71 y cepas mutantes para este gen no sobreviven en luz ultravioleta y recombinan menos 72.