Fig. 4.
Genomic DNA sequence of WT MOLT-3, MOLT-3/MTX200, and MOLT-3/MTX10,000 cells in the region of codon 25 (top) and codon 40 (bottom). Thermal cycle sequencing reactions on PCR-amplified genomic DNA were performed as described in Materials and Methods and size-fractionated on a 6% polyacrylamide gel.