>metA-1 (farthest upstream) 28->52
agctatctggatgtctaaacgtat
>metA-2 20->44
ggatgtctaaacgtataagcgtat
>metJ-1 189->213
ggacgtcaatacatctggacatct
>metJ-2 181->205
atacatctggacatctaaacttct
>metJ-3 173->197 
ggacatctaaacttctttgcgtat
>metE-1 (metR) 150->174 (63->87)
ggatgtgtaaacatctggacggct
>metE-2 (metR) 142->166 (71->95)
aaacatctggacggctaaaatcct
>metF-1 58->82 
cttcatctttacatctggacgtct
>metF-2 50->74
ttacatctggacgtctaaacggat
>metF-3 42->66   
ggacgtctaaacggatagatgtgc