[BioPython] Question about indexing fasta files

[Brad Chapman]

Hi Andy;

> Does the fasta indexer normally convert sequence to all upper case
> automatically? I have seq with lc masking and want to preserver that when
> fetching sequences..

No, the indexer doesn't do any conversion of the sequence
information -- you should get it back from a RecordParser of
SequenceParser in the same case as you put it in.

Hope this helps.
Brad