TABLE 2

Interference as judged by NPD ratios

Setade5,7-URA3URA3-KANKAN-lys5lys5-NATNAT-HPHHPH-cyh2cyh2-crl3crl3-trp5trp5-leu1
I0.21 ± 0.060.28 ± 0.070.09 ± 0.040.25 ± 0.100.01.57 ± 0.640.25 ± 0.040.21 ± 0.060.18 ± 0.09
II0.52 ± 0.040.31 ± 0.090.33 ± 0.10.37 ± 0.260.55 ± 0.260.33 ± 0.050.32 ± 0.090.22 ± 0.09
  • The ratios observed NPD:expected NPD, with standard errors, were calculated with the aid of Stahl Lab Online Tools( http://groik.com/stahl/) according to the formula of Papazian (1952), for which ratios significantly less than unity demonstrate interference (see materials and methods).