Anatomy of a FASTA record

Headers and sequences.

Two parts

A FASTA record has two parts: a header (starting with >) and the sequence (one or more lines of text).

PythonA FASTA record with two sequence lines.

>Tv01 Sample organism
ATGCGTAATGC
GGGCCCAAA

→

The header contains information about the sequence. The sequence lines contain the bases. Together they form one record.