A 4883 bp genomic transgene encompassing the wild type Shmt locus cloned from BAC PR98-75I5.
Shmt+t4.9 rescues Shmtm3-5
Shmt+t4.9 rescues ShmtX238
The lethality of ShmtX238 hemizygous males (derived from heterozygous mothers) can be rescued by combination with Shmt+t4.9.