| Regulated Operon: | xtmAB-xkdEFGHIJKM | 
| Genes | Synonyms | Direction | Genome position | Function | COG ID | Genus clusters | 
|---|---|---|---|---|---|---|
| xtmA | ykxF | + | 1324404..1325201 | PBSX defective prophage terminase (small subunit) | COG3728 | |
| xtmB | ykxG | + | 1325198..1326499 | PBSX defective prophage terminase (large subunit) | COG1783 | |
| xkdE | + | 1326503..1327990 | ||||
| xkdF | + | 1328010..1328837 | ||||
| xkdG | + | 1328863..1329798 | xkdG-BAC | |||
| xkdH | + | 1330202..1330558 | ||||
| xkdI | + | 1330555..1331040 | ||||
| xkdJ | + | 1331053..1331493 | ||||
| xkdK | + | 1331712..1333106 | ||||
| xkdM | + | 1333113..1333556 | 
| Operon evidence: | Genome analysis | 
|---|---|
| Reference: | Wood HE, et al. (1990) | 
| Comments: | Wood et al. assume an operon of at least 19 kb, presumably including the downstream genes xkdNOPQRSTUVWX-xepA-xhlAB-xlyA | 
  
| Binding factor  | 
  Regulation | Location | Absolute position | Binding seq.(cis-element) | Experimental evidence | 
|---|---|---|---|---|---|
| Xpf | Positive | ND | ND | ND | 
  McDonnell GE, et al. (1994): DB | 
| Terminator sequence | Absolute position | Position from stop codon | Free energy [kcal/mol]  | 
  Downstream of | 
|---|---|---|---|---|
| ATACGCAGACCTTTCTCAGAAAGGTCTGTTTTTTAAAGATGAA >>>>>>>>>> <<<<<<<<<<  | 
  xkdM | 


  |