The conserved, full-length GeneSeqer+MetWAMer-based maize gene annotations
  provided here are served via DAS (using ProServer v498) at
  http://www.plantgdb.org:9002/das/Zm_to_Sb .

For example, to show all features on the maize BAC with GI number 170763732,
  between positions 82,000 and 86,000, please use the following URL:

http://www.plantgdb.org:9002/das/Zm_to_Sb/features?segment=170763732:82000,86000