COL4A1 and psychiatric disorder: For instance, GSTT1 was identified among suicide completers who had psychiatric disorders; ABRACL and UBE2D3 were identified among schizophrenic suicide completers; COL4A1 and CD82 were identified among people who took antipsychotics; and RPS4Y1, S100A10, and MRGPRF were identified among people who consumed alcohol at the time of death.