17kb genomic fragment containing the stmA gene (extending from 12.5kb upstream of the putative transcription start site to 1.5kb downstream of the coding region).
wild-type
stmA+t17 rescues stmArev522
stmA+t17 rescues stmArev828
stmA+t17 rescues stmArev499
Completely rescues the lethality of cmp44Erev499, cmp44Erev522 and cmp44Erev828.