Table 5. Kinetic data for the interaction of LabyA1 and nisin with immobilized X4 and R5 HIV-1 gp120 envelope proteins.

	KD (µM)	Kon (1/M.s)	Koff (1/s)
LabyA1
X4 HIV-1 gp120 IIIB	7.8±2.1	(9.6±1.6)E+02	(7.3±0.8)E-03
R5 HIV-1 gp120 ADA	12.3±2.2	(7.2±1.0)E+02	(8.7±1.3)E-03
R5 HIV-1 gp120 YU2	9.8±1.6	(7.3±0.5)E+02	(7.2±0.7)E-03
Nisin
X4 HIV-1 gp120 IIIB	No binding observed at 31.3 µM
R5 HIV-1 gp120 ADA	No binding observed at 31.3 µM
R5 HIV-1 gp120 YU2	No binding observed at 31.3 µM

K_D: affinity constant; K_on: association rate constant; K_off: dissociation rate constant.

Mean ± SD of 2 independent experiments are shown.