title of record ("Definition Line," or "Def Line")
unique identifiers (accession number, sequence ID number, etc.)
summary information, such as length of sequence, molecule type,
GenBank division, date of last modification
Descriptive information
source organism
published references, or tentative title for an unpublished reference
submitter block (last reference, with contact information for
submitter)
biological features of sequence,
such as coding region (CDS) and its amino acid translation;
the Feature Key field provides a
'road map' or 'index' to the sequence data that follows
Sequence Data
single, contiguous sequence from a single molecule type
experimentally sequenced in a lab; not a hypothetical or
consensus sequence based on the analysis or merger of third party data
