m.bestscore(seq, fwd='') -- Returns the score of the best matching subsequence in seq.

def bestscore(self,seq, fwd=''):
        """
        m.bestscore(seq, fwd='') -- Returns the score of the best matching subsequence in seq.
        """
        matches, endpoints, scores = self._scan(seq,threshold=-100000,forw_only=fwd)
        if scores: return max(scores)
        else:      return -1000