INVERTED REPEATS:
The length of the inverted repeats (red), if any, should be included. If
there are no missmatches then a single number is sufficient. If there are
a few differences then these should be included as #identical/#total. If
no inverted repeats could be found, insert "0" (zero). If the information
is not available (for example a partial sequence or a truncated element)
a "-" (dash) should be inserted.