x 1 ABCC1 2 GNA12 3 S1PR3 4 GNA15 5 GNAI2 6 GNAO1 7 SGPL1 8 SGPP1 9 GNAQ 10 GNAZ 11 S1PR2 12 GNAI1 13 S1PR4 14 SPHK2 15 GNA11 16 GNA14 17 GNAI3 18 SPHK1 19 S1PR1 20 S1PR5 21 GNA13