Table 3.

Perylenequinone inhibition of PKC.

	PKC IC50	ε670
(+)-1, ent-Calphostin D	6.0 μM	120 M−1cm−1
(−)-1, Calphostin D	6.4 μMa
(+)-2, ent-Phleichrome	3.5 μM	225 M−1cm−1
(−)-2, Phleichrome	11 μM
3, Cercosporin	0.60 μM	160 M−1cm−1
epi-3, epi-Cercosporin	12 μM	120 M−1cm−1
ent-4, Hypocrellin	0.4 μM
4, Hypocrellin A	4.5 μM
48a	0.8 μM	150 M−1cm−1
48b	1.5 μM	360 M−1cm−1
M-16	0.40 μM	480 M−1cm−1
16	1.2 μM	480 M−1cm−1
53	3.5 μM	1430 M−1cm−1
54	4.0 μM	5180 M−1cm−1
57	2.5 μM	1200 M−1cm−1

^aPKC evaluation obtained from reference ²³.