Table I.

List of Plasmids Encoding Inhibitors of Protein Kinases and Protein Phosphatases and Summary of Their Effects on Hormone-induced Melanosome Movement

Encoded protein		Plasmid		Melatonin (aggregation)		MSH (dispersion)		PMA (dispersion)		Melatonin + PMA
PKA inhibitor, active		pNP210		+*		−‡		± §		±
PKA inhibitor, inactive		pNP211		+		+		+		+
PKC inhibitor, active		pNP212		+		+		+		−
PKC inhibitor, inactive		pNP214		+		+		+		+
CAMKII inhibitor, active		pNP215		+		+		+		+
CAMKII inhibitor, inactive		pNP216		+		+		+		+
small t (PP2A inhibitor)		pCEP4-Sm t		−		+
PP1 inhibitor		pNP231		+		+
PP2B inhibitor		pNP241		+		+
GFP		pEGFP-C1		+		+
PP2A		pGRE5-2 (T) 36		+		−

^* Dispersion or aggregation occurs normally.  

^‡ No dispersion or aggregation.  

^§ Dispersion is partially inhibited.