noe
        reset
        nrestraints = 5000                   ! allocate space for NOEs
        ceiling 1000
	
        set echo off message off end 
        class      dist @@unambig.tbl 
        class      ambi                
        set echo on message on end

        class      hbond {@@hbond.tbl}
    
        potential  * soft
        averaging  * center
        scale      * 1.0                           
        sqconstant * 1.0
        sqexponent * 2
        soexponent * 1
        rswitch    * 1.0
        sqoffset   * 0.0
        asymptote  * 2.0

        msoexponent * 1
        masymptote  * -0.2
        mrswitch    * 0.5

        avexpo hbond 20

end

restraints dihedral
!    set echo off message off end
    @@dihed.tbl
! looking for the XPLOR bug: Are the dihedrals read in???
?
!    set echo on message on end
end