Fig. 1From: Effects of missense mutations in sortase A gene on enzyme activity in Streptococcus mutans Point mutations in mutants compared with the srtA gene of S. mutans UA159. Detailed legend: srtA △N120(T168G) contains a point mutation at base 168, and srtA △N120 (G470A) contains a point mutation at base 470 (labelled in green)Back to article page