/usr/include/Bpp/Seq/Io/ is in libbpp-seq-dev 2.0.3-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/Bpp/Seq/Io/AbstractISequence.h
/usr/include/Bpp/Seq/Io/AbstractISequence2.h
/usr/include/Bpp/Seq/Io/AbstractOSequence.h
/usr/include/Bpp/Seq/Io/Clustal.h
/usr/include/Bpp/Seq/Io/Dcse.h
/usr/include/Bpp/Seq/Io/Fasta.h
/usr/include/Bpp/Seq/Io/Fastq.h
/usr/include/Bpp/Seq/Io/GenBank.h
/usr/include/Bpp/Seq/Io/ISequence.h
/usr/include/Bpp/Seq/Io/ISequenceStream.h
/usr/include/Bpp/Seq/Io/IoSequence.h
/usr/include/Bpp/Seq/Io/IoSequenceFactory.h
/usr/include/Bpp/Seq/Io/IoSequenceStream.h
/usr/include/Bpp/Seq/Io/MafAlignmentParser.h
/usr/include/Bpp/Seq/Io/MafIterator.h
/usr/include/Bpp/Seq/Io/Mase.h
/usr/include/Bpp/Seq/Io/MaseTools.h
/usr/include/Bpp/Seq/Io/NexusIoSequence.h
/usr/include/Bpp/Seq/Io/NexusTools.h
/usr/include/Bpp/Seq/Io/OSequence.h
/usr/include/Bpp/Seq/Io/OSequenceStream.h
/usr/include/Bpp/Seq/Io/PhredPhd.h
/usr/include/Bpp/Seq/Io/PhredPoly.h
/usr/include/Bpp/Seq/Io/Phylip.h
/usr/include/Bpp/Seq/Io/SequenceFileIndex.h
/usr/include/Bpp/Seq/Io/Stockholm.h