Different alignments assigned to the same species (eg. sequences of different genes) can be stored in one database. The name of the currently accessible alignment (ali_*) is shown in the 3rd broad rectangular button in the top area of the ARB_NT window.
The sequences themselves are not stored in the 'ali_*' field of a species, but in the subfield 'data' of 'ali_*' 'ali_*' is a container field: it holds no data except other data fields (like a directory in a file system).
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