CACNA1C and psychiatric disorder: Three amplicons within the CACNA1C psychiatric disorder LD interval drove significant RNA transcript expression in both linear and ratiometric models in our MPRA: amplicons #3 (overlapping rs1108075 and rs11062166), #6 (overlapping rs12315711 and rs2159100), and #7 (overlapping rs11062170 and rs4765905) (Figure 4A).