This page has instructions for getting the files you need to load your Y-DNA or Mitochondrial DNA into the mitoYDNA data base from YSEQ.
For both DNA types, login to your YSEQ account.
Click on the "My Account" tab at the top right. Click on either the "View my STR results" or"View my mtDNA results" link under the My Results
Click on the "Download FASTA file" button to save your results data for loading to mitoYDNA.