We identified several genes associated with trabeculation that also have evidence for what is termed as left ventricular noncompaction cardiomyopathy (MYH7, MIB1 (GATA6), DES, MYBPC3, TTN, ACTN2, LMNA, PLN, TBX20, TBX5, DTNA and TNNT2)3,53,54. The gene discussed is MIB1; the disease is Left ventricular noncompaction cardiomyopathy.