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. 1999 Oct;19(10):6891–6897. doi: 10.1128/mcb.19.10.6891

TABLE 3.

Gene targeting efficiency in Rad51−/− hRad51K-133R+ DT40 cells

Locus targeted No. (%) of clones targeting locus/no. of clones examined
RAD51−/− K-133R+ clone 1 RAD51−/− K-133R+ clone 2 Wild type
RAD54B 1/28 (4) NDa 8/33 (24)
XRCC2 22/63 (35) ND  41/52 (79)
OVALBUMIN 1/34 (3) 4/36 (11) 23/35 (66)
a

ND, not determined.