change to export_ligands (add more printout about progress)
change to export_ligands (add more printout about progress)

fosfataza/protwis,cmunk/protwis,protwis/protwis,fosfataza/protwis,fosfataza/protwis,cmunk/protwis,cmunk/protwis,protwis/protwis,cmunk/protwis,protwis/protwis,fosfataza/protwis