 This allows the researcher to analyze regulatory data using their own conditions as to the suitability of the supporting evidence.The project is open source - all data and all software that is produced in the project can be freely accessed and used.As of December 20, 2006, ORegAnno contained 4220 regulatory sequences (excluding deprecated records) for 2190 transcription factor binding sites, 1853 regulatory regions (enhancers, promoters, etc.