sequences 	: header sequence(s)
header		: seq_count app_number
seq_count	: "<160> NUMBER OF SEQ ID NOS:" /\d+/
app_number	: "<140> CURRENT APPLICATION NUMBER:" /[\w\/,]+/
sequence	: seq_id seq_length seq_type organism feat_token(s?) seq
seq_id		: "<210> SEQ ID NO" /\d+/
seq_length	: "<211> LENGTH:" /\d+/
seq_type	: "<212> TYPE:" type
type		: "DNA" | "PRT"
organism	: "<213> ORGANISM:" /\w+ \w+/
feat_token	: feature | name_key | location | other
feature		: "<220> FEATURE:" /[\w\s]*/
name_key	: "<221> NAME/KEY:" /\w+/
location	: "<222> LOCATION:" /[\d\.\(\)]+/
other		: "<223> OTHER INFORMATION:" /[^<]+/
seq		: "<400> SEQUENCE:" /\d+/ /[\w\s]+/