TABLE 1.

Summary of kinetic constants

	kcata	[S]0.5	n
	s−1	nm
TRIM32	4.5 ± 0.8 × 10−3	410 ± 10	5.1 ± 0.3
TRIM25	5.2 ± 0.1 × 10−2	460 ± 20	3.6 ± 0.5
TRIM5α	0.28 ± 0.05 × 10−3	280 ± 43	2.9 ± 0.6
TRIM32ΔNHL	5.6 ± 0.3 × 10−3	340 ± 12	5.1 ± 0.7
GST-RING	26 ± 8 × 10−3	5000 ± 840	2.0 ± 0.1

^a Values of k_cat determined as V_max/[E3]_o, where [E3]_o is calculated from total TRIM protein.