Isolated from: Quilmes, Argentina. Variants Dbuz\In(2)j-9, Dbuz\In(2)j-11, Dbuz\In(2)j-12, Dbuz\In(2)j-13, Dbuz\In(2)j-18 and Dbuz\In(2)j-22 have the same structure at the proximal breakpoint (although Dbuz\In(2)j-12 has a deletion in this region detected during sequencing and it is not known whether this deletion is present in the other variants).