--- /dev/null
+DefPropRes 'helix1' 'num = 2.. 9'
+DefPropRes 'helix' 'helix1'
+DefPropRes 'coil' '! (helix | sheet)'
+XMacStand ribbon.mac
+DefPropRes 'helix1' 'num = 3.. 9'
+DefPropRes 'helix' 'helix1'
+DefPropRes 'coil' '! (helix | sheet)'
+XMacStand ribbon.mac