=== Adding tags to the strand ===

=== Adding tags to the strand ===

We start off by adding the -35 box of the promoter. The tag that we will add is

We start off by adding the -35 box of the promoter. The tag that we will add is

  ...<minus35>...</minus>...

  ...<minus35box>...</minus35box>...

We do this by using the <code>sed</code> command in order to "replace" the empty string around the pattern we are looking for. For this part, we are looking for the pattern <code>tt[gt]ac[at]</code>.

We do this by using the <code>sed</code> command in order to "replace" the empty string around the pattern we are looking for. For this part, we are looking for the pattern <code>tt[gt]ac[at]</code>.

Type the following command to insert the tags around the pattern on each line of its occurrence:

Type the following command to insert the tags around the pattern on each line of its occurrence: