3′-PAX5 fusion partners in B-ALL. Partners previously described (references in supplemental Table 5) and detected in our series are indicated in bold, new PAX5 fusion partners are highlighted with an “n.” In-frame PAX5 fusions are indicated on the upper side. Fusion partners in reverse orientation (r) or out-of-frame fusion (o), leading to PAX5 predictive truncated protein are indicated on the lower side. PBD, OP, NLS, homeodomain (HD), transactivation domain (TAD), and inhibitory domain (ID) are shown.