This module incorporates functionality for reading and writing
sequence data in the Fasta format.
Each sequence consists of a header (with a
and a set of lines containing the sequence data.
As Fasta is used for both amino acids and nucleotides, the
Sequences are type-tagged with
Unknown. If you know the
type of sequence you are reading, use
Reading and writing plain FASTA files
Write sequences to a FASTA-formatted file. Line length is 60.