For search, the -columns option specifies a list of
fields separated by a + sign. Default is
aq+query+target+evalue.
query Query label
target Target label
qlo Start of aligment in query
qhi End of aligment in query
tlo Start of aligment in target
thi End of aligment in target
ql Query length
tl Target length
pctid Percent identity of alignment
cigar CIGAR string
aq Alignment Quality
evalue You can guess this one
qrow Aligned query sequence with gaps (local)
trow Aligned target sequence with gaps (local)
qrowg Aligned query sequence with gaps (global)
trowg Aligned target sequence with gaps (global)
std query+target+qlo+qhi+ql+tlo+thi+tl+pctid+evalue
