The lesions of the org-1 excision alleles reported in Schaub et al. are as follows (genome release r.5.55): org-1OJ487 deletes the region chrX: 8343857.. 8348362 and instead of it contains a CGT insertion. org-1OJ423 deletes the region chrX: 8343856 .. 8344456 and instead of it contains a GAGTAATTTATAAA insertion.