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. 1999 Sep;9(9):859–867. doi: 10.1101/gr.9.9.859

Table 2.

Deletion Yield by Mutagen

Mutagen No. of libraries No. of 1° screens No. of deletion mutants Ratio of deletions/screens





DEO 3 171 12 0.070
EMS 9 479 47 0.098
ENU 4 208 23 0.111
UV-TMP 4 135 29 0.215

The total number of pool screens initiated (using a target window of 2800–3400 bp) and the total number of isolated deletions were tabulated for each mutant library.