* tied array of Mappings to protein sequence Objects and SequenceI[]
* aaSeqs=null; MapLists where each maps from the corresponding dnaSeqs
* element to corresponding aaSeqs element
* tied array of Mappings to protein sequence Objects and SequenceI[]
* aaSeqs=null; MapLists where each maps from the corresponding dnaSeqs
* element to corresponding aaSeqs element