>xyz some gene we made up
ATGGTCACCAATGAACTGACCACA
>abc some other pretend gene
AAACCCTTTGGGAAGAGAGAGAGAGAGAGAG
AGAGAGAGAGAGAG
AGAGAGAGAGAGAGAGAGAG
>abc123 and another
TTTAATATATATATATATAAAAAAAAAAAAA
TTTTTTTTTTT
GGGGGGGGGGGGG
CCCCCC