EEF1A1 and lymphoma: Interestingly, several genes that are frequently mutated in human lymphomas, such as Fas [62], Eef1a1 [63] and some members of the histone family genes (Hist1h1b, Hist1h1d, Hist1h2bg, Hist1h3b) [64] bear clonal variants (Fig 5B, inset).