Authors indicated the probe was made from gene construct provided by R. Krumlauf. As insufficient information is provided in publication to verify exact sequence used to synthesize probe, the sequence above was obtained from NCBI (accession number NM_205293.1).
Tadahiro Iimura, Olivier Pourquié. Collinear activation of Hoxb genes during gastrulation is linked to mesoderm cell ingression. Nature. 2006 Aug 3;442(7102):568-71. Epub 2006 Jun 7. DOI: 10.1038/nature04838.
Sophie Bel-Vialar, Nobue Itasaki, Robb Krumlauf. Initiating Hox gene expression: in the early chick neural tube differential sensitivity to FGF and RA signaling subdivides the HoxB genes in two distinct groups. Development 2002 Nov;129(22):5103-15.