Other genes listed as “Common” in Table 2 code for functions directly linked to heart activity and AF (TTN, TBX5, SYNE2, and RPL3L) , or they are indirectly linked to AF through comorbidities (ATXN1, CAV1, SH3PXD2A, and ZFHX3). The gene discussed is TTN; the disease is atrial fibrillation.