This directory contains reciprocal-best netted chains for hg38-fr3. - hg38.fr3.rbest.net.gz: hg38-referenced recip.best net to fr3. - hg38.fr3.rbest.chain.gz: chains extracted from the recip.best net. These can be passed to the liftOver program to translate coords from hg38 to fr3 through the recip.best net. - fr3.hg38.rbest.net.gz: fr3-referenced recip.best net. - fr3.hg38.rbest.chain.gz: recip.best "liftOver" chains.