Table 1

Kinetic parameters for ³H-LTD₄ and³H-LTC₄

	³H-LTD₄			³H-LTC₄
k _on1	2.7 × 10⁶ ± 28			1.5 × 10⁷ ± 96
		K _d1	0.063		K _d1	0.053
k _off1	1.7 × 10⁻⁴ ± 39			7.8 × 10⁻⁴ ± 33
B _max1	0.0073 ± 17			0.0095 ± 42
k _on2	1.8 × 10⁵ ± 85			3.3 × 10⁵ ± 51
		K _d2	21.7		K _d2	83
k _off2	4 × 10⁻³ ± 45			2.7 × 10⁻² ± 35
B _max2	0.074 ± 87			5.5 ± 26

k_on values are expressed in M⁻¹ · s⁻¹. k_off values are expressed as s⁻¹. K_d values are the ratio ofk_off to k_on and are expressed in nM. B_max values are expressed as pmol/mg protein. Parameters are expressed as mean ± % CV.