# gets sequence as a string from sequence object
    $seqstr   = $seqobj->seq(); # actual sequence as a string
    $seqstr   = $seqobj->subseq(10,50); # slice in biological coordinates
$seqobj->length()            # length

##</code><code>##

$segstr = $segobj->subseg( $segobj->length - 20, $segobj->length );