This data set Rice_ArrayOligo_NSF20K (20446 oligo sequences) was download from NSF Rice Oligonucleotide Array Project http://www.ricearray.org/rice_search_overview.shtml Totally 16644 (81.4%) have been mapped on rice TIGR v4 pseudomolecules based on Sequences matches. Total number of Oligos: 20446 Total number of Oligos mapped : 16644