Table 2.

DNA-PK activity in the presence of a proteasome inhibitor

SampleaLactacystinbActivityc% of mockd
Mock22.6100
Mock+19.686.9
KOS1.12.611.3
KOS1.1+15.968.7
17syn+12.153.6
17syn++21.693.4
  • a Samples of cells infected with the viruses indicated or mock infected were taken 8 h pi.

  • b Absence or presence of lactacystin at 10 μM from time of infection.

  • c DNA-PK activity in units per milligram of protein (average of two independent determinations).

  • d Percentage of level of activity in mock-infected cells without lactacystin.