Region definitions are ordinary 3- or 4-field bed file format. For example:
# comment lines can be included starting with the # symbol chrX 151073054 151173000 chrX 151183000 151190000 optionalRegionName chrX 151283000 151290000 chrX 151383000 151390000
There is a limit of 1,000 defined regions. Using the upload file function will replace any existing regions. The fourth field, name, is optional and for notation purposes only, it is not used in the table browser. These are 0-relative coordinates, first base on a chromosome is 0.
Coordinates can also be entered in the form:
chrX:151,283,001-151,290,000 optionalRegionNameThese are 1-relative coordinates, first base on a chromosome is 1.