Table S3.

Antibodies used

Name	Species	Reference
NF1	Rabbit	sc-67 (Santa Cruz Biotechnology)
TYRP1	Rabbit	LS-B4011/55374 (LSBio)
MITF	Rabbit	ab20663 (Abcam)
Tyrosinase	Mouse	ab738 (Abcam)
TYRP2 (C-9)	Mouse	sc-74439 (Santa Cruz Biotechnology)
P44/42 MAPK (Erk1/2)	Rabbit	9102 (Cell Signaling Technology)
Phospho-p44/42 MAPK (Erk1/2) (Thr202/Tyr204)	Rabbit	9101 (Cell Signaling Technology)
Anti–β-actin peroxidase	Mouse	A3854 (Sigma-Aldrich)
β-tubulin, HRP conjugate	Mouse	MA5-16308-HRP (Thermo Scientific)
α-actinin	Mouse	A7811 (Sigma-Aldrich)