Table S6.

Tagging SNPs of the L1CAM interactions gene set

Gene symbol	Tagging SNP in the discovery sample	Tagging SNP in the replication sample and its LD with the discovery SNP		Tagging SNP in the pictures/fMRI sample and its LD with the discovery SNP		Tagging SNP in the AgeCoDe sample and its LD with the discovery SNP
RPS6KA2	rs2281143	rs1894660	0.0009	rs9459771	0.0005	rs9459777	0.0008
KCNQ3	rs2597348	rs2721905	0.1884	rs13258436	0.0091	rs1457784	0.0006
DPYSL2	rs7829347	rs17322275	0.0244	rs442103	0.0083	rs9314325	0.0935
ITGA9	rs399703	rs197763	0.8689	rs197721	0.057	rs6782856	0
ANK3	rs11593565	rs4948254	0.0053	rs4948381	0.001	rs12355908	0.0107
CNTN6	rs1353825	rs9880762	0.0007	rs17210194	0.0102	rs3772295	0.1717
SH3GL2	rs10491540	rs1998247	0.0414	rs17547685	0.0092	rs3808776	0.0101
SCN2A	rs353128	rs13025009	0	rs13023748	0.1728	rs10497258	0.0004
FGFR1	rs11777067	rs2288696	0.0958	rs6983315	0.3326	rs2978073	0.003
NRCAM	rs6466228	rs425013	0.0114	rs17333297	0.0019	rs404287	0.0313
ITGA1	rs870992	rs7718758	0.0224	rs1478438	0.0518	rs2938793	0
LAMA1	rs11661841	rs10163962	0.1539	rs949215	0.0009	rs8084092	0.0085
EGFR	rs6593210	rs11238349	0.0017	rs7781264	0.0123	rs4947986	0.0606
NCAM1	rs17115275	rs884110	0.0109	rs17115275	1	rs1245135	0.0038
SPTBN1	rs6545424	rs10166797	0.0988	rs6715538	0.0069	rs17343939	0.1586
CSNK2A2	rs1393203	rs37358	0.0706	rs11647503	0.0063	rs2550362	0.0203
ANK1	rs7823955	rs11784321	0.0266	rs10504047	0.5597	rs2304872	0.0052
ITGA2	rs153141	rs1421940	0.6648	rs1421933	0.0069	rs1421933	0.0282
CNTN1	rs1119060	rs10784951	0.0219	rs12829787	0.0237	rs7970805	0.0116
NRP2	rs849581	rs849570	0.7338	rs883501	0.0027	rs3771000	0.0004
NRP1	rs2506150	rs1331312	0.0144	rs1331325	0.005	rs2243668	0.0008

For each gene listed in Table 8, the corresponding tagging (i.e., the most significant) SNP in each sample is shown together with its LD r² value with the tagging SNP from the discovery sample. Gene descriptions, chromosome numbers, and association P values are provided in Table 8.