Table 1. Kinase specificity of CRT5.

In vitro kinase assays showed that, at 1 μM, CRT5 strongly inhibited PKD but had little effect on a range of PKC isoforms.

Kinase	Inhibition (% at 1 μM CRT5)
PKCα	5
PKCβI	<1
PKCβII	<1
PKCγ	23
PKCδ	1
PKCε	<1
PKCη	<1
PKCι	10
PKCΦ	2
PKCξ	<1
PKD1	98
PKD2	96