genome Pleuco twoBitPath Pleuco/Pleuco.2bit trackDb Pleuco/trackDb.txt groups groups.txt htmlPath Pleuco/description.html description Pleuco organism Pleuco orderKey 4800 scientificName Pleuco defaultPos C0000000001:1-1000 genome hg38 trackDb hg38/trackDb.txt genome mouse trackDb mouse/trackDb.txt genome rn5 trackDb rn5/trackDb.txt