+
+
+ /**
+ * Returns the sequence string constructed from the substrings of a sequence
+ * defined by the int[] ranges provided by an iterator. E.g. the iterator
+ * could iterate over all visible regions of the alignment
+ *
+ * @param it
+ * the iterator to use
+ * @return a String corresponding to the sequence
+ */
+ String getSequenceStringFromIterator(Iterator<int[]> it);
+
+ /**
+ * Locate the first position in this sequence which is not contained in an
+ * iterator region. If no such position exists, return 0
+ *
+ * @param it
+ * iterator over regions
+ * @return first residue not contained in regions
+ */
+ int firstResidueOutsideIterator(Iterator<int[]> it);
+
+ /**
+ * Answers true if this sequence has an associated Hidden Markov Model
+ *
+ * @return
+ */
+ boolean hasHMMProfile();