Supplementary Table 1: Selected candidate genes for targeted resequencing based on our previous linkage and association results in the MSTF AA and EA samples

Gene Gene Name Chromosome Reference Symbol Ankyrin repeat and kinase domain containing 1 ANKK1 11 [1] Beta-arestin 1 ARRB1 11 [2] Beta-arrestin 2 ARRB2 17 [2] Brain-derived neurotrophic factor BDNF 11 [3] Cadherin 13 CDH13 16 Catechol-O-methyltransferase COMT 22 [4] Choline acetyltransferase CHAT 10q11 [5] DOPA decarboxylase DDC 7 [6] Dopamine beta-monooxygenase DBH 9q34 [7] Dopamine receptor 1 DRD1 5 [8] Dopamine receptor 2 DRD2 11 [1] Dopamine receptor 3 DRD3 3 [9] Dynamin 1 DNM1 9 [10] GABA-B receptor subunit 2 GABBR2 9 [11] Glutamate receptor, ionotropic, N-methyl-D-aspartate 3A GRIN3A 9 [12] Neurexin 1 NRXN1 2 [13] Neurexin 2 NRXN2 11q13 Neurexin 3 NRXN3 14q31 Neurotrophic tyrosine kinase receptor type 2 NTRK2 9 [14] Nicotinic receptor, alpha 1 subunit CHRNA1 2 Nicotinic receptor, alpha 10 subunit CHRNA10 11p15 Nicotinic receptor, alpha 2 subunit CHRNA2 8 Nicotinic receptor, alpha 3 subunit CHRNA3 15 [15] Nicotinic receptor, alpha 4 subunit CHRNA4 20 [16] Nicotinic receptor, alpha 5 subunit CHRNA5 15 [15] Nicotinic receptor, alpha 6 subunit CHRNA6 8 Nicotinic receptor, alpha 7 subunit CHRNA7 15 Nicotinic receptor, alpha 9 subunit CHRNA9 4p14 Nicotinic receptor, beta 1 subunit CHRNB1 17p12 Nicotinic receptor, beta 2 subunit CHRNB2 1q21 [16] Nicotinic receptor, beta 3 subunit CHRNB3 8p11 [17] Nicotinic receptor, beta 4 subunit CHRNB4 15q24 [15] Taste receptor, type 2, member 38 TAS2R38 7 [18]

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