Supplementary figure S1 : Gene disruption analysis in HEK293 cells. Supplementary figure S2: Optimization of the generation of double KO cells Supplementary table S1: Deep sequencing analysis of TCR-negative cells Supplementary figure S3: Representative deletions found at disrupted TRAC gene Supplementary figure S4: Size distribution of the mutations found in TALEN-treated T cells Supplementary table S2: Size of insertions/deletions in mutated CD52/TRAC alleles Supplementary Table S3: NGS sequencing analysis of off target cleavage Supplementary figure S5: Gating strategy for definition of T-cellsubsets in UCART19