genome Arabidopsis_thaliana twoBitPath Arabidopsis_thaliana/Arabidopsis_thaliana.2bit trackDb Arabidopsis_thaliana/trackDb.txt groups groups.txt htmlPath Arabidopsis_thaliana/description.html description Arabidopsis_thaliana organism Arabidopsis_thaliana orderKey 4800 scientificName Arabidopsis_thaliana defaultPos 1:1-1000