In order to work with alignments of genes you first have to extract the wanted genes into some kind of pseudo-species. We called them 'gene-species'.
These gene-species store additional information about the organism and the gene they originated from (ARB_origin_gene and ARB_origin_organism). They only contain that part of the whole organism-sequence the gene corresponds to.
The intention is to create different alignments for different groups of genes and to calculate your trees using these alignment(s).
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