$ cat pm_1144803_fasta.txt
>SequenceID|1234_Gene1
CTTTTAAGCTGATTAGGCTTTTATACCATTAGATTTAGTAACTATTGTCTTTTAA
>SequenceID|9876_Gene2
GTGCTGTCTTAAGTTGAACAGAGTGTGGGAGGAAATATAAGCAAAGTTATTCCGTAGAATT
>SequenceID|4567_Gene3
CATCCTCCTTTACACCCCACAAACATTTGGCAACCCCTGATAGGTTTCTTTCTTGTGGA