Table 3. MEMSAT-SVM topology analysis of palmitoyltransferases involved in palmitoylation of ARB, ER1(α) and PRB.

Protein Topology	DHHC7 (Q9NXF8)		DHHC21 (Q8IVQ6)
	TM Helix	Kinks	TM Helix	Kinks
Sequence	1 - 308		1 - 308
TM-1	41 - 70 (29)	50 - 71	9 - 37 (28)	19 - 35
TM-2	78 - 102 (24)	84 - 92	48 - 67 (19)	(pore-lining)
TM-3	173 - 301 (28)		134 - 161 (27)	149 - 163
TM-4	217 - 246 (29)	224 - 232	179 - 203 (24)	185 - 198
Zinc Finger	130 - 180		90 - 140

TM helix length is indicated in parentheses.