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Biopython tutorial (Sequence Input/Output (Parsing sequeces from…

- - - - sth like accession number
    - - key is name of inform
      - values are list, tuple or string
    - - a dict of additional information
    - - more structured information
        
        e.g. positions of genes in the genome
    - - a list of database cross-references as strings
  - - - SeqFeature objects
        
        .location
        
        .qualifiers
        
        .type
        
        .sub_features
        
        design based on the GenBenk/EMBL features tables
        
        e.g. for check features of postion for SNP of interest
- - - - from Bio import SeqIO
        print(sum(len(r) for r in SeqIO.parse("ls_orchid.gbk", "gb")))
      - the same we can do with hande refering to the file
    - - import gzip
        from Bio import SeqIO
        with gzip.open("ls_orchid.gbk.gz", "rt") as handle:
        print(sum(len(r) for r in SeqIO.parse(handle, "gb")))
      - similiar with bzip2- bz2 module