Table 1.

Analysis of 57 nt G:G extension products by conventional sequencing

Pol δ	Type	Sequencea	Frequency
wt	Proofreading	……GATCACAGCAA……	5/9
	Deletion	……GATCAGCAA……	3/9
	Other	……GATCAGCGCAA……	1/9
exo-1	Deletion	……GATCAGCAA……	5/9
	Deletion + Mutation	……GATCGGCAA……	1/9
	Mispaired	……GATCAGAGCAA……	1/9
	Mispaired + Insertion	……GATCAGCAGCAA……	2/9

^aNucleotides resulting from proofreading, mispairing or additional mutation are underlined.