Authors state: Clone ChEST181g6 (accession no. BU454887) was selected for generating a digoxigenin-labeled riboprobe, as further sequencing of this clone showed that it contained a 625-bp fragment that include the last residues of the coding sequence of Nanog.
According to the authors, "Oligonucleotides (Proligo) were designed using Primer 3 software
(http://frodo.wi.mit.edu/cgi-bin/primer3/primer3_www.cgi) and are listed in Table 1." The sequence below was obtained from NCBI (DQ867025) using the information provided.